diff options
Diffstat (limited to 'src/include/openssl/ssl.h')
| -rw-r--r-- | src/include/openssl/ssl.h | 4174 |
1 files changed, 2536 insertions, 1638 deletions
diff --git a/src/include/openssl/ssl.h b/src/include/openssl/ssl.h index 2735e15..24bdf8e 100644 --- a/src/include/openssl/ssl.h +++ b/src/include/openssl/ssl.h @@ -179,32 +179,9 @@ extern "C" { OPENSSL_EXPORT int SSL_library_init(void); -/* Cipher suites. */ - -/* An SSL_CIPHER represents a cipher suite. */ -typedef struct ssl_cipher_st { - /* name is the OpenSSL name for the cipher. */ - const char *name; - /* id is the cipher suite value bitwise OR-d with 0x03000000. */ - uint32_t id; - - /* The following are internal fields. See ssl/internal.h for their values. */ - - uint32_t algorithm_mkey; - uint32_t algorithm_auth; - uint32_t algorithm_enc; - uint32_t algorithm_mac; - uint32_t algorithm_ssl; - uint32_t algo_strength; - - /* algorithm2 contains extra flags. See ssl/internal.h. */ - uint32_t algorithm2; - - /* strength_bits is the strength of the cipher in bits. */ - int strength_bits; - /* alg_bits is the number of bits of key material used by the algorithm. */ - int alg_bits; -} SSL_CIPHER; +/* Cipher suites. + * + * |SSL_CIPHER| objects represent cipher suites. */ DECLARE_STACK_OF(SSL_CIPHER) @@ -231,6 +208,15 @@ OPENSSL_EXPORT int SSL_CIPHER_is_AESGCM(const SSL_CIPHER *cipher); * CHACHA20_POLY1305. */ OPENSSL_EXPORT int SSL_CIPHER_is_CHACHA20POLY1305(const SSL_CIPHER *cipher); +/* SSL_CIPHER_is_NULL returns one if |cipher| does not encrypt. */ +OPENSSL_EXPORT int SSL_CIPHER_is_NULL(const SSL_CIPHER *cipher); + +/* SSL_CIPHER_is_RC4 returns one if |cipher| uses RC4. */ +OPENSSL_EXPORT int SSL_CIPHER_is_RC4(const SSL_CIPHER *cipher); + +/* SSL_CIPHER_is_block_cipher returns one if |cipher| is a block cipher. */ +OPENSSL_EXPORT int SSL_CIPHER_is_block_cipher(const SSL_CIPHER *cipher); + /* SSL_CIPHER_get_name returns the OpenSSL name of |cipher|. */ OPENSSL_EXPORT const char *SSL_CIPHER_get_name(const SSL_CIPHER *cipher); @@ -251,10 +237,15 @@ OPENSSL_EXPORT int SSL_CIPHER_get_bits(const SSL_CIPHER *cipher, int *out_alg_bits); -/* SSL contexts. */ - -/* An SSL_METHOD selects whether to use TLS or DTLS. */ -typedef struct ssl_method_st SSL_METHOD; +/* SSL contexts. + * + * |SSL_CTX| objects manage shared state and configuration between multiple TLS + * or DTLS connections. Whether the connections are TLS or DTLS is selected by + * an |SSL_METHOD| on creation. + * + * |SSL_CTX| are reference-counted and may be shared by connections across + * multiple threads. Once shared, functions which change the |SSL_CTX|'s + * configuration may not be used. */ /* TLS_method is the |SSL_METHOD| used for TLS (and SSLv3) connections. */ OPENSSL_EXPORT const SSL_METHOD *TLS_method(void); @@ -263,20 +254,22 @@ OPENSSL_EXPORT const SSL_METHOD *TLS_method(void); OPENSSL_EXPORT const SSL_METHOD *DTLS_method(void); /* SSL_CTX_new returns a newly-allocated |SSL_CTX| with default settings or NULL - * on error. An |SSL_CTX| manages shared state and configuration between - * multiple TLS or DTLS connections. */ + * on error. */ OPENSSL_EXPORT SSL_CTX *SSL_CTX_new(const SSL_METHOD *method); /* SSL_CTX_free releases memory associated with |ctx|. */ OPENSSL_EXPORT void SSL_CTX_free(SSL_CTX *ctx); -/* SSL connections. */ +/* SSL connections. + * + * An |SSL| object represents a single TLS or DTLS connection. Although the + * shared |SSL_CTX| is thread-safe, an |SSL| is not thread-safe and may only be + * used on one thread at a time. */ -/* SSL_new returns a newly-allocated |SSL| using |ctx| or NULL on error. An - * |SSL| object represents a single TLS or DTLS connection. It inherits settings - * from |ctx| at the time of creation. Settings may also be individually - * configured on the connection. +/* SSL_new returns a newly-allocated |SSL| using |ctx| or NULL on error. The new + * connection inherits settings from |ctx| at the time of creation. Settings may + * also be individually configured on the connection. * * On creation, an |SSL| is not configured to be either a client or server. Call * |SSL_set_connect_state| or |SSL_set_accept_state| to set this. */ @@ -291,9 +284,183 @@ OPENSSL_EXPORT void SSL_set_connect_state(SSL *ssl); /* SSL_set_accept_state configures |ssl| to be a server. */ OPENSSL_EXPORT void SSL_set_accept_state(SSL *ssl); +/* SSL_is_server returns one if |ssl| is configured as a server and zero + * otherwise. */ +OPENSSL_EXPORT int SSL_is_server(SSL *ssl); + +/* SSL_set_bio configures |ssl| to read from |rbio| and write to |wbio|. |ssl| + * takes ownership of the two |BIO|s. If |rbio| and |wbio| are the same, |ssl| + * only takes ownership of one reference. + * + * Calling this function on an already-configured |ssl| is deprecated. */ +OPENSSL_EXPORT void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio); + +/* SSL_get_rbio returns the |BIO| that |ssl| reads from. */ +OPENSSL_EXPORT BIO *SSL_get_rbio(const SSL *ssl); + +/* SSL_get_wbio returns the |BIO| that |ssl| writes to. */ +OPENSSL_EXPORT BIO *SSL_get_wbio(const SSL *ssl); + +/* SSL_do_handshake continues the current handshake. If there is none or the + * handshake has completed or False Started, it returns one. Otherwise, it + * returns <= 0. The caller should pass the value into |SSL_get_error| to + * determine how to proceed. + * + * TODO(davidben): Ensure 0 is only returned on transport EOF. + * https://crbug.com/466303. */ +OPENSSL_EXPORT int SSL_do_handshake(SSL *ssl); + +/* SSL_connect configures |ssl| as a client, if unconfigured, and calls + * |SSL_do_handshake|. */ +OPENSSL_EXPORT int SSL_connect(SSL *ssl); + +/* SSL_accept configures |ssl| as a server, if unconfigured, and calls + * |SSL_do_handshake|. */ +OPENSSL_EXPORT int SSL_accept(SSL *ssl); + +/* SSL_read reads up to |num| bytes from |ssl| into |buf|. It implicitly runs + * any pending handshakes, including renegotiations when enabled. On success, it + * returns the number of bytes read. Otherwise, it returns <= 0. The caller + * should pass the value into |SSL_get_error| to determine how to proceed. + * + * TODO(davidben): Ensure 0 is only returned on transport EOF. + * https://crbug.com/466303. */ +OPENSSL_EXPORT int SSL_read(SSL *ssl, void *buf, int num); + +/* SSL_peek behaves like |SSL_read| but does not consume any bytes returned. */ +OPENSSL_EXPORT int SSL_peek(SSL *ssl, void *buf, int num); + +/* SSL_write writes up to |num| bytes from |buf| into |ssl|. It implicitly runs + * any pending handshakes, including renegotiations when enabled. On success, it + * returns the number of bytes read. Otherwise, it returns <= 0. The caller + * should pass the value into |SSL_get_error| to determine how to proceed. + * + * A non-blocking |SSL_write| differs from non-blocking |write| in that a failed + * |SSL_write| still commits to the data passed in. When retrying, the caller + * must supply the original write buffer (or a larger one containing the + * original as a prefix). By default, retries will fail if they also do not + * reuse the same |buf| pointer. This may be relaxed with + * |SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER|, but the buffer contents still must be + * unchanged. + * + * By default, |SSL_write| will not return success until all |num| bytes are + * written. This may be relaxed with |SSL_MODE_ENABLE_PARTIAL_WRITE|. It allows + * |SSL_write| to complete with a partial result when only part of the input was + * written in a single record. + * + * TODO(davidben): Ensure 0 is only returned on transport EOF. + * https://crbug.com/466303. */ +OPENSSL_EXPORT int SSL_write(SSL *ssl, const void *buf, int num); + +/* SSL_shutdown shuts down |ssl|. On success, it completes in two stages. First, + * it returns 0 if |ssl| completed uni-directional shutdown; close_notify has + * been sent, but the peer's close_notify has not been received. Most callers + * may stop at this point. For bi-directional shutdown, call |SSL_shutdown| + * again. It returns 1 if close_notify has been both sent and received. + * + * If the peer's close_notify arrived first, the first stage is skipped. + * |SSL_shutdown| will return 1 once close_notify is sent and skip 0. Callers + * only interested in uni-directional shutdown must therefore allow for the + * first stage returning either 0 or 1. + * + * |SSL_shutdown| returns -1 on failure. The caller should pass the return value + * into |SSL_get_error| to determine how to proceed. If the underlying |BIO| is + * non-blocking, both stages may require retry. + * + * |SSL_shutdown| must be called to retain |ssl|'s session in the session + * cache. Use |SSL_CTX_set_quiet_shutdown| to configure |SSL_shutdown| to + * neither send nor wait for close_notify but still retain the session. + * + * TODO(davidben): Is there any point in the session cache interaction? Remove + * it? */ +OPENSSL_EXPORT int SSL_shutdown(SSL *ssl); + +/* SSL_get_error returns a |SSL_ERROR_*| value for the most recent operation on + * |ssl|. It should be called after an operation failed to determine. */ +OPENSSL_EXPORT int SSL_get_error(const SSL *ssl, int ret_code); + +/* SSL_ERROR_NONE indicates the operation succeeded. */ +#define SSL_ERROR_NONE 0 + +/* SSL_ERROR_SSL indicates the operation failed within the library. The caller + * may inspect the error queue for more information. */ +#define SSL_ERROR_SSL 1 + +/* SSL_ERROR_WANT_READ indicates the operation failed attempting to read from + * the transport. The caller may retry the operation when the transport is ready + * for reading. */ +#define SSL_ERROR_WANT_READ 2 + +/* SSL_ERROR_WANT_READ indicates the operation failed attempting to write to + * the transport. The caller may retry the operation when the transport is ready + * for writing. */ +#define SSL_ERROR_WANT_WRITE 3 + +/* SSL_ERROR_WANT_X509_LOOKUP indicates the operation failed in calling the + * |cert_cb| or |client_cert_cb|. The caller may retry the operation when the + * callback is ready to return a certificate or one has been configured + * externally. + * + * See also |SSL_CTX_set_cert_cb| and |SSL_CTX_set_client_cert_cb|. */ +#define SSL_ERROR_WANT_X509_LOOKUP 4 + +/* SSL_ERROR_WANT_SYSCALL indicates the operation failed externally to the + * library. The caller should consult the system-specific error mechanism. This + * is typically |errno| but may be something custom if using a custom |BIO|. It + * may also be signaled if the transport returned EOF, in which case the + * operation's return value will be zero. */ +#define SSL_ERROR_SYSCALL 5 + +/* SSL_ERROR_ZERO_RETURN indicates the operation failed because the connection + * was cleanly shut down with a close_notify alert. */ +#define SSL_ERROR_ZERO_RETURN 6 + +/* SSL_ERROR_WANT_CONNECT indicates the operation failed attempting to connect + * the transport (the |BIO| signaled |BIO_RR_CONNECT|). The caller may retry the + * operation when the transport is ready. */ +#define SSL_ERROR_WANT_CONNECT 7 + +/* SSL_ERROR_WANT_ACCEPT indicates the operation failed attempting to accept a + * connection from the transport (the |BIO| signaled |BIO_RR_ACCEPT|). The + * caller may retry the operation when the transport is ready. + * + * TODO(davidben): Remove this. It's used by accept BIOs which are bizarre. */ +#define SSL_ERROR_WANT_ACCEPT 8 + +/* SSL_ERROR_WANT_CHANNEL_ID_LOOKUP indicates the operation failed looking up + * the Channel ID key. The caller may retry the operation when |channel_id_cb| + * is ready to return a key or one has been configured with + * |SSL_set1_tls_channel_id|. + * + * See also |SSL_CTX_set_channel_id_cb|. */ +#define SSL_ERROR_WANT_CHANNEL_ID_LOOKUP 9 + +/* SSL_ERROR_PENDING_SESSION indicates the operation failed because the session + * lookup callback indicated the session was unavailable. The caller may retry + * the operation when lookup has completed. + * + * See also |SSL_CTX_sess_set_get_cb| and |SSL_magic_pending_session_ptr|. */ +#define SSL_ERROR_PENDING_SESSION 11 + +/* SSL_ERROR_PENDING_CERTIFICATE indicates the operation failed because the + * early callback indicated certificate lookup was incomplete. The caller may + * retry the operation when lookup has completed. Note: when the operation is + * retried, the early callback will not be called a second time. + * + * See also |select_certificate_cb| on |SSL_CTX|. */ +#define SSL_ERROR_PENDING_CERTIFICATE 12 + +/* SSL_ERROR_WANT_PRIVATE_KEY_OPERATION indicates the operation failed because + * a private key operation was unfinished. The caller may retry the operation + * when the private key operation is complete. + * + * See also |SSL_set_private_key_method|. */ +#define SSL_ERROR_WANT_PRIVATE_KEY_OPERATION 13 + /* Protocol versions. */ +#define DTLS1_VERSION_MAJOR 0xfe #define SSL3_VERSION_MAJOR 0x03 #define SSL3_VERSION 0x0300 @@ -320,6 +487,11 @@ OPENSSL_EXPORT void SSL_set_min_version(SSL *ssl, uint16_t version); * |version|. */ OPENSSL_EXPORT void SSL_set_max_version(SSL *ssl, uint16_t version); +/* SSL_version returns the TLS or DTLS protocol version used by |ssl|, which is + * one of the |*_VERSION| values. (E.g. |TLS1_2_VERSION|.) Before the version + * is negotiated, the result is undefined. */ +OPENSSL_EXPORT int SSL_version(const SSL *ssl); + /* Options. * @@ -346,41 +518,14 @@ OPENSSL_EXPORT void SSL_set_max_version(SSL *ssl, uint16_t version); * |BIO|. Instead, the MTU is configured with |SSL_set_mtu|. */ #define SSL_OP_NO_QUERY_MTU 0x00001000L -/* SSL_OP_NO_TICKET disables session ticket support (RFC 4507). */ +/* SSL_OP_NO_TICKET disables session ticket support (RFC 5077). */ #define SSL_OP_NO_TICKET 0x00004000L -/* SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION permits unsafe legacy renegotiation - * without renegotiation_info (RFC 5746) support. */ -#define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0x00040000L - /* SSL_OP_CIPHER_SERVER_PREFERENCE configures servers to select ciphers and * ECDHE curves according to the server's preferences instead of the * client's. */ #define SSL_OP_CIPHER_SERVER_PREFERENCE 0x00400000L -/* The following flags toggle individual protocol versions. This is deprecated. - * Use |SSL_CTX_set_min_version| and |SSL_CTX_set_max_version| instead. */ -#define SSL_OP_NO_SSLv3 0x02000000L -#define SSL_OP_NO_TLSv1 0x04000000L -#define SSL_OP_NO_TLSv1_2 0x08000000L -#define SSL_OP_NO_TLSv1_1 0x10000000L -#define SSL_OP_NO_DTLSv1 SSL_OP_NO_TLSv1 -#define SSL_OP_NO_DTLSv1_2 SSL_OP_NO_TLSv1_2 - -/* The following flags do nothing and are included only to make it easier to - * compile code with BoringSSL. */ -#define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0 -#define SSL_OP_MICROSOFT_SESS_ID_BUG 0 -#define SSL_OP_NETSCAPE_CHALLENGE_BUG 0 -#define SSL_OP_NO_COMPRESSION 0 -#define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0 -#define SSL_OP_NO_SSLv2 0 -#define SSL_OP_SINGLE_DH_USE 0 -#define SSL_OP_SINGLE_ECDH_USE 0 -#define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0 -#define SSL_OP_TLS_BLOCK_PADDING_BUG 0 -#define SSL_OP_TLS_ROLLBACK_BUG 0 - /* SSL_CTX_set_options enables all options set in |options| (which should be one * or more of the |SSL_OP_*| values, ORed together) in |ctx|. It returns a * bitmask representing the resulting enabled options. */ @@ -434,10 +579,6 @@ OPENSSL_EXPORT uint32_t SSL_get_options(const SSL *ssl); * in one RTT. See draft-bmoeller-tls-falsestart-01. */ #define SSL_MODE_ENABLE_FALSE_START 0x00000080L -/* Deprecated: SSL_MODE_HANDSHAKE_CUTTHROUGH is the same as - * SSL_MODE_ENABLE_FALSE_START. */ -#define SSL_MODE_HANDSHAKE_CUTTHROUGH SSL_MODE_ENABLE_FALSE_START - /* SSL_MODE_CBC_RECORD_SPLITTING causes multi-byte CBC records in SSL 3.0 and * TLS 1.0 to be split in two: the first record will contain a single byte and * the second will contain the remainder. This effectively randomises the IV and @@ -451,21 +592,12 @@ OPENSSL_EXPORT uint32_t SSL_get_options(const SSL *ssl); /* SSL_MODE_SEND_FALLBACK_SCSV sends TLS_FALLBACK_SCSV in the ClientHello. * To be set only by applications that reconnect with a downgraded protocol - * version; see https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-05 - * for details. + * version; see RFC 7507 for details. * * DO NOT ENABLE THIS if your application attempts a normal handshake. Only use - * this in explicit fallback retries, following the guidance in - * draft-ietf-tls-downgrade-scsv-05. */ + * this in explicit fallback retries, following the guidance in RFC 7507. */ #define SSL_MODE_SEND_FALLBACK_SCSV 0x00000400L -/* The following flags do nothing and are included only to make it easier to - * compile code with BoringSSL. */ -#define SSL_MODE_AUTO_RETRY 0 -#define SSL_MODE_RELEASE_BUFFERS 0 -#define SSL_MODE_SEND_CLIENTHELLO_TIME 0 -#define SSL_MODE_SEND_SERVERHELLO_TIME 0 - /* SSL_CTX_set_mode enables all modes set in |mode| (which should be one or more * of the |SSL_MODE_*| values, ORed together) in |ctx|. It returns a bitmask * representing the resulting enabled modes. */ @@ -495,8 +627,309 @@ OPENSSL_EXPORT uint32_t SSL_clear_mode(SSL *ssl, uint32_t mode); OPENSSL_EXPORT uint32_t SSL_get_mode(const SSL *ssl); +/* Configuring certificates and private keys. + * + * These functions configure the connection's leaf certificate, private key, and + * certificate chain. The certificate chain is ordered leaf to root (as sent on + * the wire) but does not include the leaf. Both client and server certificates + * use these functions. + * + * Certificates and keys may be configured before the handshake or dynamically + * in the early callback and certificate callback. */ + +/* SSL_CTX_use_certificate sets |ctx|'s leaf certificate to |x509|. It returns + * one on success and zero on failure. */ +OPENSSL_EXPORT int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x509); + +/* SSL_use_certificate sets |ssl|'s leaf certificate to |x509|. It returns one + * on success and zero on failure. */ +OPENSSL_EXPORT int SSL_use_certificate(SSL *ssl, X509 *x509); + +/* SSL_CTX_use_PrivateKey sets |ctx|'s private key to |pkey|. It returns one on + * success and zero on failure. */ +OPENSSL_EXPORT int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey); + +/* SSL_use_PrivateKey sets |ssl|'s private key to |pkey|. It returns one on + * success and zero on failure. */ +OPENSSL_EXPORT int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey); + +/* SSL_CTX_set0_chain sets |ctx|'s certificate chain, excluding the leaf, to + * |chain|. On success, it returns one and takes ownership of |chain|. + * Otherwise, it returns zero. */ +OPENSSL_EXPORT int SSL_CTX_set0_chain(SSL_CTX *ctx, STACK_OF(X509) *chain); + +/* SSL_CTX_set1_chain sets |ctx|'s certificate chain, excluding the leaf, to + * |chain|. It returns one on success and zero on failure. The caller retains + * ownership of |chain| and may release it freely. */ +OPENSSL_EXPORT int SSL_CTX_set1_chain(SSL_CTX *ctx, STACK_OF(X509) *chain); + +/* SSL_set0_chain sets |ssl|'s certificate chain, excluding the leaf, to + * |chain|. On success, it returns one and takes ownership of |chain|. + * Otherwise, it returns zero. */ +OPENSSL_EXPORT int SSL_set0_chain(SSL *ssl, STACK_OF(X509) *chain); + +/* SSL_set1_chain sets |ssl|'s certificate chain, excluding the leaf, to + * |chain|. It returns one on success and zero on failure. The caller retains + * ownership of |chain| and may release it freely. */ +OPENSSL_EXPORT int SSL_set1_chain(SSL *ssl, STACK_OF(X509) *chain); + +/* SSL_CTX_add0_chain_cert appends |x509| to |ctx|'s certificate chain. On + * success, it returns one and takes ownership of |x509|. Otherwise, it returns + * zero. */ +OPENSSL_EXPORT int SSL_CTX_add0_chain_cert(SSL_CTX *ctx, X509 *x509); + +/* SSL_CTX_add1_chain_cert appends |x509| to |ctx|'s certificate chain. It + * returns one on success and zero on failure. The caller retains ownership of + * |x509| and may release it freely. */ +OPENSSL_EXPORT int SSL_CTX_add1_chain_cert(SSL_CTX *ctx, X509 *x509); + +/* SSL_add0_chain_cert appends |x509| to |ctx|'s certificate chain. On success, + * it returns one and takes ownership of |x509|. Otherwise, it returns zero. */ +OPENSSL_EXPORT int SSL_add0_chain_cert(SSL *ssl, X509 *x509); + +/* SSL_CTX_add_extra_chain_cert calls |SSL_CTX_add0_chain_cert|. */ +OPENSSL_EXPORT int SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509); + +/* SSL_add1_chain_cert appends |x509| to |ctx|'s certificate chain. It returns + * one on success and zero on failure. The caller retains ownership of |x509| + * and may release it freely. */ +OPENSSL_EXPORT int SSL_add1_chain_cert(SSL *ssl, X509 *x509); + +/* SSL_CTX_clear_chain_certs clears |ctx|'s certificate chain and returns + * one. */ +OPENSSL_EXPORT int SSL_CTX_clear_chain_certs(SSL_CTX *ctx); + +/* SSL_CTX_clear_extra_chain_certs calls |SSL_CTX_clear_chain_certs|. */ +OPENSSL_EXPORT int SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx); + +/* SSL_clear_chain_certs clears |ssl|'s certificate chain and returns one. */ +OPENSSL_EXPORT int SSL_clear_chain_certs(SSL *ssl); + +/* SSL_CTX_set_cert_cb sets a callback that is called to select a certificate. + * The callback returns one on success, zero on internal error, and a negative + * number on failure or to pause the handshake. If the handshake is paused, + * |SSL_get_error| will return |SSL_ERROR_WANT_X509_LOOKUP|. */ +OPENSSL_EXPORT void SSL_CTX_set_cert_cb(SSL_CTX *ctx, + int (*cb)(SSL *ssl, void *arg), + void *arg); + +/* SSL_set_cert_cb sets a callback that is called to select a certificate. The + * callback returns one on success, zero on internal error, and a negative + * number on failure or to pause the handshake. If the handshake is paused, + * |SSL_get_error| will return |SSL_ERROR_WANT_X509_LOOKUP|. */ +OPENSSL_EXPORT void SSL_set_cert_cb(SSL *ssl, int (*cb)(SSL *ssl, void *arg), + void *arg); + +/* SSL_certs_clear resets the private key, leaf certificate, and certificate + * chain of |ssl|. */ +OPENSSL_EXPORT void SSL_certs_clear(SSL *ssl); + +/* SSL_CTX_check_private_key returns one if the certificate and private key + * configured in |ctx| are consistent and zero otherwise. */ +OPENSSL_EXPORT int SSL_CTX_check_private_key(const SSL_CTX *ctx); + +/* SSL_check_private_key returns one if the certificate and private key + * configured in |ssl| are consistent and zero otherwise. */ +OPENSSL_EXPORT int SSL_check_private_key(const SSL *ssl); + +/* SSL_CTX_get0_certificate returns |ctx|'s leaf certificate. */ +OPENSSL_EXPORT X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx); + +/* SSL_get_certificate returns |ssl|'s leaf certificate. */ +OPENSSL_EXPORT X509 *SSL_get_certificate(const SSL *ssl); + +/* SSL_CTX_get0_privatekey returns |ctx|'s private key. */ +OPENSSL_EXPORT EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx); + +/* SSL_get_privatekey returns |ssl|'s private key. */ +OPENSSL_EXPORT EVP_PKEY *SSL_get_privatekey(const SSL *ssl); + +/* SSL_CTX_get0_chain_certs sets |*out_chain| to |ctx|'s certificate chain and + * returns one. */ +OPENSSL_EXPORT int SSL_CTX_get0_chain_certs(const SSL_CTX *ctx, + STACK_OF(X509) **out_chain); + +/* SSL_CTX_get_extra_chain_certs calls |SSL_CTX_get0_chain_certs|. */ +OPENSSL_EXPORT int SSL_CTX_get_extra_chain_certs(const SSL_CTX *ctx, + STACK_OF(X509) **out_chain); + +/* SSL_get0_chain_certs sets |*out_chain| to |ssl|'s certificate chain and + * returns one. */ +OPENSSL_EXPORT int SSL_get0_chain_certs(const SSL *ssl, + STACK_OF(X509) **out_chain); + +/* SSL_CTX_set_signed_cert_timestamp_list sets the list of signed certificate + * timestamps that is sent to clients that request it. The |list| argument must + * contain one or more SCT structures serialised as a SignedCertificateTimestamp + * List (see https://tools.ietf.org/html/rfc6962#section-3.3) – i.e. each SCT + * is prefixed by a big-endian, uint16 length and the concatenation of one or + * more such prefixed SCTs are themselves also prefixed by a uint16 length. It + * returns one on success and zero on error. The caller retains ownership of + * |list|. */ +OPENSSL_EXPORT int SSL_CTX_set_signed_cert_timestamp_list(SSL_CTX *ctx, + const uint8_t *list, + size_t list_len); + +/* SSL_CTX_set_ocsp_response sets the OCSP reponse that is sent to clients + * which request it. It returns one on success and zero on error. The caller + * retains ownership of |response|. */ +OPENSSL_EXPORT int SSL_CTX_set_ocsp_response(SSL_CTX *ctx, + const uint8_t *response, + size_t response_len); + +/* SSL_set_private_key_digest_prefs copies |num_digests| NIDs from |digest_nids| + * into |ssl|. These digests will be used, in decreasing order of preference, + * when signing with |ssl|'s private key. It returns one on success and zero on + * error. */ +OPENSSL_EXPORT int SSL_set_private_key_digest_prefs(SSL *ssl, + const int *digest_nids, + size_t num_digests); + + +/* Certificate and private key convenience functions. */ + +/* SSL_CTX_use_RSAPrivateKey sets |ctx|'s private key to |rsa|. It returns one + * on success and zero on failure. */ +OPENSSL_EXPORT int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa); + +/* SSL_use_RSAPrivateKey sets |ctx|'s private key to |rsa|. It returns one on + * success and zero on failure. */ +OPENSSL_EXPORT int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa); + +/* The following functions configure certificates or private keys but take as + * input DER-encoded structures. They return one on success and zero on + * failure. */ + +OPENSSL_EXPORT int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, + const uint8_t *d); +OPENSSL_EXPORT int SSL_use_certificate_ASN1(SSL *ssl, const uint8_t *der, + int len); + +OPENSSL_EXPORT int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, + const uint8_t *d, long len); +OPENSSL_EXPORT int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, + const uint8_t *d, long len); + +OPENSSL_EXPORT int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, + const uint8_t *der, + size_t der_len); +OPENSSL_EXPORT int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const uint8_t *der, + size_t der_len); + +/* The following functions configure certificates or private keys but take as + * input files to read from. They return one on success and zero on failure. The + * |type| parameter is one of the |SSL_FILETYPE_*| values and determines whether + * the file's contents are read as PEM or DER. */ + +#define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1 +#define SSL_FILETYPE_PEM X509_FILETYPE_PEM + +OPENSSL_EXPORT int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, + const char *file, + int type); +OPENSSL_EXPORT int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, + int type); + +OPENSSL_EXPORT int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, + int type); +OPENSSL_EXPORT int SSL_use_certificate_file(SSL *ssl, const char *file, + int type); + +OPENSSL_EXPORT int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, + int type); +OPENSSL_EXPORT int SSL_use_PrivateKey_file(SSL *ssl, const char *file, + int type); + +/* SSL_CTX_use_certificate_file configures certificates for |ctx|. It reads the + * contents of |file| as a PEM-encoded leaf certificate followed optionally by + * the certificate chain to send to the peer. It returns one on success and zero + * on failure. */ +OPENSSL_EXPORT int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, + const char *file); + +/* SSL_CTX_set_default_passwd_cb sets the password callback for PEM-based + * convenience functions called on |ctx|. */ +OPENSSL_EXPORT void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, + pem_password_cb *cb); + +/* SSL_CTX_set_default_passwd_cb_userdata sets the userdata parameter for + * |ctx|'s password callback. */ +OPENSSL_EXPORT void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, + void *data); + + +/* Custom private keys. */ + +enum ssl_private_key_result_t { + ssl_private_key_success, + ssl_private_key_retry, + ssl_private_key_failure, +}; + +/* SSL_PRIVATE_KEY_METHOD describes private key hooks. This is used to off-load + * signing operations to a custom, potentially asynchronous, backend. */ +typedef struct ssl_private_key_method_st { + /* type returns either |EVP_PKEY_RSA| or |EVP_PKEY_EC| to denote the type of + * key used by |ssl|. */ + int (*type)(SSL *ssl); + + /* max_signature_len returns the maximum length of a signature signed by the + * key used by |ssl|. This must be a constant value for a given |ssl|. */ + size_t (*max_signature_len)(SSL *ssl); + + /* sign signs |in_len| bytes of digest from |in|. |md| is the hash function + * used to calculate |in|. On success, it returns |ssl_private_key_success| + * and writes at most |max_out| bytes of signature data to |out|. On failure, + * it returns |ssl_private_key_failure|. If the operation has not completed, + * it returns |ssl_private_key_retry|. |sign| should arrange for the + * high-level operation on |ssl| to be retried when the operation is + * completed. This will result in a call to |sign_complete|. + * + * If the key is an RSA key, implementations must use PKCS#1 padding. |in| is + * the digest itself, so the DigestInfo prefix, if any, must be prepended by + * |sign|. If |md| is |EVP_md5_sha1|, there is no prefix. + * + * It is an error to call |sign| while another private key operation is in + * progress on |ssl|. */ + enum ssl_private_key_result_t (*sign)(SSL *ssl, uint8_t *out, size_t *out_len, + size_t max_out, const EVP_MD *md, + const uint8_t *in, size_t in_len); + + /* sign_complete completes a pending |sign| operation. If the operation has + * completed, it returns |ssl_private_key_success| and writes the result to + * |out| as in |sign|. Otherwise, it returns |ssl_private_key_failure| on + * failure and |ssl_private_key_retry| if the operation is still in progress. + * + * |sign_complete| may be called arbitrarily many times before completion, but + * it is an error to call |sign_complete| if there is no pending |sign| + * operation in progress on |ssl|. */ + enum ssl_private_key_result_t (*sign_complete)(SSL *ssl, uint8_t *out, + size_t *out_len, size_t max_out); +} SSL_PRIVATE_KEY_METHOD; + +/* SSL_set_private_key_method configures a custom private key on |ssl|. + * |key_method| must remain valid for the lifetime of |ssl|. */ +OPENSSL_EXPORT void SSL_set_private_key_method( + SSL *ssl, const SSL_PRIVATE_KEY_METHOD *key_method); + + /* Connection information. */ +/* SSL_get_peer_certificate returns the peer's leaf certificate or NULL if the + * peer did not use certificates. The caller must call |X509_free| on the + * result to release it. */ +OPENSSL_EXPORT X509 *SSL_get_peer_certificate(const SSL *ssl); + +/* SSL_get_peer_cert_chain returns the peer's certificate chain or NULL if + * unavailable or the peer did not use certificates. For historical reasons, + * this may not be available if resuming a serialized |SSL_SESSION|. The caller + * does not take ownership of the result. + * + * WARNING: This function behaves differently between client and server. If + * |ssl| is a server, the returned chain does not include the leaf certificate. + * If a client, it does. */ +OPENSSL_EXPORT STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *ssl); + /* SSL_get_tls_unique writes at most |max_out| bytes of the tls-unique value * for |ssl| to |out| and sets |*out_len| to the number of bytes written. It * returns one on success or zero on error. In general |max_out| should be at @@ -517,9 +950,1217 @@ OPENSSL_EXPORT uint32_t SSL_get_mode(const SSL *ssl); OPENSSL_EXPORT int SSL_get_tls_unique(const SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out); -/* SSL_initial_handshake_complete returns one if the initial handshake has - * completed and zero otherwise. */ -OPENSSL_EXPORT int SSL_initial_handshake_complete(const SSL *ssl); +/* SSL_get_extms_support returns one if the Extended Master Secret + * extension was negotiated. Otherwise, it returns zero. */ +OPENSSL_EXPORT int SSL_get_extms_support(const SSL *ssl); + +/* SSL_get_current_cipher returns the cipher used in the current outgoing + * connection state, or NULL if the null cipher is active. */ +OPENSSL_EXPORT const SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl); + +/* SSL_session_reused returns one if |ssl| performed an abbreviated handshake + * and zero otherwise. + * + * TODO(davidben): Hammer down the semantics of this API while a handshake, + * initial or renego, is in progress. */ +OPENSSL_EXPORT int SSL_session_reused(const SSL *ssl); + +/* SSL_get_secure_renegotiation_support returns one if the peer supports secure + * renegotiation (RFC 5746) and zero otherwise. */ +OPENSSL_EXPORT int SSL_get_secure_renegotiation_support(const SSL *ssl); + + +/* Custom extensions. + * + * The custom extension functions allow TLS extensions to be added to + * ClientHello and ServerHello messages. */ + +/* SSL_custom_ext_add_cb is a callback function that is called when the + * ClientHello (for clients) or ServerHello (for servers) is constructed. In + * the case of a server, this callback will only be called for a given + * extension if the ClientHello contained that extension – it's not possible to + * inject extensions into a ServerHello that the client didn't request. + * + * When called, |extension_value| will contain the extension number that is + * being considered for addition (so that a single callback can handle multiple + * extensions). If the callback wishes to include the extension, it must set + * |*out| to point to |*out_len| bytes of extension contents and return one. In + * this case, the corresponding |SSL_custom_ext_free_cb| callback will later be + * called with the value of |*out| once that data has been copied. + * + * If the callback does not wish to add an extension it must return zero. + * + * Alternatively, the callback can abort the connection by setting + * |*out_alert_value| to a TLS alert number and returning -1. */ +typedef int (*SSL_custom_ext_add_cb)(SSL *ssl, unsigned extension_value, + const uint8_t **out, size_t *out_len, + int *out_alert_value, void *add_arg); + +/* SSL_custom_ext_free_cb is a callback function that is called by OpenSSL iff + * an |SSL_custom_ext_add_cb| callback previously returned one. In that case, + * this callback is called and passed the |out| pointer that was returned by + * the add callback. This is to free any dynamically allocated data created by + * the add callback. */ +typedef void (*SSL_custom_ext_free_cb)(SSL *ssl, unsigned extension_value, + const uint8_t *out, void *add_arg); + +/* SSL_custom_ext_parse_cb is a callback function that is called by OpenSSL to + * parse an extension from the peer: that is from the ServerHello for a client + * and from the ClientHello for a server. + * + * When called, |extension_value| will contain the extension number and the + * contents of the extension are |contents_len| bytes at |contents|. + * + * The callback must return one to continue the handshake. Otherwise, if it + * returns zero, a fatal alert with value |*out_alert_value| is sent and the + * handshake is aborted. */ +typedef int (*SSL_custom_ext_parse_cb)(SSL *ssl, unsigned extension_value, + const uint8_t *contents, + size_t contents_len, + int *out_alert_value, void *parse_arg); + +/* SSL_extension_supported returns one iff OpenSSL internally handles + * extensions of type |extension_value|. This can be used to avoid registering + * custom extension handlers for extensions that a future version of OpenSSL + * may handle internally. */ +OPENSSL_EXPORT int SSL_extension_supported(unsigned extension_value); + +/* SSL_CTX_add_client_custom_ext registers callback functions for handling + * custom TLS extensions for client connections. + * + * If |add_cb| is NULL then an empty extension will be added in each + * ClientHello. Otherwise, see the comment for |SSL_custom_ext_add_cb| about + * this callback. + * + * The |free_cb| may be NULL if |add_cb| doesn't dynamically allocate data that + * needs to be freed. + * + * It returns one on success or zero on error. It's always an error to register + * callbacks for the same extension twice, or to register callbacks for an + * extension that OpenSSL handles internally. See |SSL_extension_supported| to + * discover, at runtime, which extensions OpenSSL handles internally. */ +OPENSSL_EXPORT int SSL_CTX_add_client_custom_ext( + SSL_CTX *ctx, unsigned extension_value, SSL_custom_ext_add_cb add_cb, + SSL_custom_ext_free_cb free_cb, void *add_arg, + SSL_custom_ext_parse_cb parse_cb, void *parse_arg); + +/* SSL_CTX_add_server_custom_ext is the same as + * |SSL_CTX_add_client_custom_ext|, but for server connections. + * + * Unlike on the client side, if |add_cb| is NULL no extension will be added. + * The |add_cb|, if any, will only be called if the ClientHello contained a + * matching extension. */ +OPENSSL_EXPORT int SSL_CTX_add_server_custom_ext( + SSL_CTX *ctx, unsigned extension_value, SSL_custom_ext_add_cb add_cb, + SSL_custom_ext_free_cb free_cb, void *add_arg, + SSL_custom_ext_parse_cb parse_cb, void *parse_arg); + + +/* Sessions. + * + * An |SSL_SESSION| represents an SSL session that may be resumed in an + * abbreviated handshake. It is reference-counted and immutable. Once + * established, an |SSL_SESSION| may be shared by multiple |SSL| objects on + * different threads and must not be modified. */ + +DECLARE_LHASH_OF(SSL_SESSION) + +/* SSL_SESSION_new returns a newly-allocated blank |SSL_SESSION| or NULL on + * error. This may be useful in writing tests but otherwise should not be + * used outside the library. */ +OPENSSL_EXPORT SSL_SESSION *SSL_SESSION_new(void); + +/* SSL_SESSION_up_ref, if |session| is not NULL, increments the reference count + * of |session|. It then returns |session|. */ +OPENSSL_EXPORT SSL_SESSION *SSL_SESSION_up_ref(SSL_SESSION *session); + +/* SSL_SESSION_free decrements the reference count of |session|. If it reaches + * zero, all data referenced by |session| and |session| itself are released. */ +OPENSSL_EXPORT void SSL_SESSION_free(SSL_SESSION *session); + +/* SSL_SESSION_to_bytes serializes |in| into a newly allocated buffer and sets + * |*out_data| to that buffer and |*out_len| to its length. The caller takes + * ownership of the buffer and must call |OPENSSL_free| when done. It returns + * one on success and zero on error. */ +OPENSSL_EXPORT int SSL_SESSION_to_bytes(const SSL_SESSION *in, + uint8_t **out_data, size_t *out_len); + +/* SSL_SESSION_to_bytes_for_ticket serializes |in|, but excludes the session + * identification information, namely the session ID and ticket. */ +OPENSSL_EXPORT int SSL_SESSION_to_bytes_for_ticket(const SSL_SESSION *in, + uint8_t **out_data, + size_t *out_len); + +/* SSL_SESSION_from_bytes parses |in_len| bytes from |in| as an SSL_SESSION. It + * returns a newly-allocated |SSL_SESSION| on success or NULL on error. */ +OPENSSL_EXPORT SSL_SESSION *SSL_SESSION_from_bytes(const uint8_t *in, + size_t in_len); + +/* SSL_SESSION_get_version returns a string describing the TLS version |session| + * was established at. For example, "TLSv1.2" or "SSLv3". */ +OPENSSL_EXPORT const char *SSL_SESSION_get_version(const SSL_SESSION *session); + +/* SSL_SESSION_get_id returns a pointer to a buffer containg |session|'s session + * ID and sets |*out_len| to its length. */ +OPENSSL_EXPORT const uint8_t *SSL_SESSION_get_id(const SSL_SESSION *session, + unsigned *out_len); + +/* SSL_SESSION_get_time returns the time at which |session| was established in + * seconds since the UNIX epoch. */ +OPENSSL_EXPORT long SSL_SESSION_get_time(const SSL_SESSION *session); + +/* SSL_SESSION_get_timeout returns the lifetime of |session| in seconds. */ +OPENSSL_EXPORT long SSL_SESSION_get_timeout(const SSL_SESSION *session); + +/* SSL_SESSION_get_key_exchange_info returns a value that describes the + * strength of the asymmetric operation that provides confidentiality to + * |session|. Its interpretation depends on the operation used. See the + * documentation for this value in the |SSL_SESSION| structure. */ +OPENSSL_EXPORT uint32_t SSL_SESSION_get_key_exchange_info( + const SSL_SESSION *session); + +/* SSL_SESSION_get0_peer return's the peer leaf certificate stored in + * |session|. + * + * TODO(davidben): This should return a const X509 *. */ +OPENSSL_EXPORT X509 *SSL_SESSION_get0_peer(const SSL_SESSION *session); + +/* SSL_SESSION_set_time sets |session|'s creation time to |time| and returns + * |time|. This function may be useful in writing tests but otherwise should not + * be used. */ +OPENSSL_EXPORT long SSL_SESSION_set_time(SSL_SESSION *session, long time); + +/* SSL_SESSION_set_time sets |session|'s timeout to |timeout| and returns one. + * This function may be useful in writing tests but otherwise should not be + * used. */ +OPENSSL_EXPORT long SSL_SESSION_set_timeout(SSL_SESSION *session, long timeout); + +/* SSL_SESSION_set1_id_context sets |session|'s session ID context (see + * |SSL_CTX_set_session_id_context|) to |sid_ctx|. It returns one on success and + * zero on error. This function may be useful in writing tests but otherwise + * should not be used. */ +OPENSSL_EXPORT int SSL_SESSION_set1_id_context(SSL_SESSION *session, + const uint8_t *sid_ctx, + unsigned sid_ctx_len); + + +/* Session caching. + * + * Session caching allows clients to reconnect to a server based on saved + * parameters from a previous connection. + * + * For a server, the library implements a built-in internal session cache as an + * in-memory hash table. One may also register callbacks to implement a custom + * external session cache. An external cache may be used in addition to or + * instead of the internal one. Use |SSL_CTX_set_session_cache_mode| to toggle + * the internal cache. + * + * For a client, the only option is an external session cache. Prior to + * handshaking, the consumer should look up a session externally (keyed, for + * instance, by hostname) and use |SSL_set_session| to configure which session + * to offer. The callbacks may be used to determine when new sessions are + * available. + * + * Note that offering or accepting a session short-circuits most parameter + * negotiation. Resuming sessions across different configurations may result in + * surprising behavor. So, for instance, a client implementing a version + * fallback should shard its session cache by maximum protocol version. */ + +/* SSL_SESS_CACHE_OFF disables all session caching. */ +#define SSL_SESS_CACHE_OFF 0x0000 + +/* SSL_SESS_CACHE_CLIENT enables session caching for a client. + * + * TODO(davidben): The internal cache is useless on the client. Always act as if + * SSL_SESS_CACHE_NO_INTERNAL is set. https://crbug.com/531194. Also see TODO + * attached to |SSL_CTX_sess_set_new_cb|. */ +#define SSL_SESS_CACHE_CLIENT 0x0001 + +/* SSL_SESS_CACHE_SERVER enables session caching for a server. */ +#define SSL_SESS_CACHE_SERVER 0x0002 + +/* SSL_SESS_CACHE_SERVER enables session caching for both client and server. */ +#define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT | SSL_SESS_CACHE_SERVER) + +/* SSL_SESS_CACHE_NO_AUTO_CLEAR disables automatically calling + * |SSL_CTX_flush_sessions| every 255 connections. */ +#define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080 + +/* SSL_SESS_CACHE_NO_INTERNAL_LOOKUP disables looking up a session from the + * internal session cache. */ +#define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100 + +/* SSL_SESS_CACHE_NO_INTERNAL_STORE disables storing sessions in the internal + * session cache. */ +#define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200 + +/* SSL_SESS_CACHE_NO_INTERNAL disables the internal session cache. */ +#define SSL_SESS_CACHE_NO_INTERNAL \ + (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP | SSL_SESS_CACHE_NO_INTERNAL_STORE) + +/* SSL_CTX_set_session_cache_mode sets the session cache mode bits for |ctx| to + * |mode|. It returns the previous value. */ +OPENSSL_EXPORT int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode); + +/* SSL_CTX_get_session_cache_mode returns the session cache mode bits for + * |ctx| */ +OPENSSL_EXPORT int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx); + + /* SSL_set_session, for a client, configures |ssl| to offer to resume |session| + * in the initial handshake. */ +OPENSSL_EXPORT int SSL_set_session(SSL *ssl, SSL_SESSION *session); + +/* SSL_get_session returns a non-owning pointer to |ssl|'s session. Prior to the + * initial handshake beginning, this is the session to be offered, set by + * |SSL_set_session|. After a handshake has finished, this is the currently + * active session. Its behavior is undefined while a handshake is progress. */ +OPENSSL_EXPORT SSL_SESSION *SSL_get_session(const SSL *ssl); + +/* SSL_get0_session is an alias for |SSL_get_session|. */ +#define SSL_get0_session SSL_get_session + +/* SSL_get1_session acts like |SSL_get_session| but returns a new reference to + * the session. */ +OPENSSL_EXPORT SSL_SESSION *SSL_get1_session(SSL *ssl); + +/* SSL_DEFAULT_SESSION_TIMEOUT is the default lifetime, in seconds, of a + * session. */ +#define SSL_DEFAULT_SESSION_TIMEOUT (2 * 60 * 60) + +/* SSL_CTX_set_timeout sets the lifetime, in seconds, of sessions created in + * |ctx| to |timeout|. */ +OPENSSL_EXPORT long SSL_CTX_set_timeout(SSL_CTX *ctx, long timeout); + +/* SSL_CTX_get_timeout returns the lifetime, in seconds, of sessions created in + * |ctx|. */ +OPENSSL_EXPORT long SSL_CTX_get_timeout(const SSL_CTX *ctx); + +/* SSL_CTX_set_session_id_context sets |ctx|'s session ID context to |sid_ctx|. + * It returns one on success and zero on error. The session ID context is an + * application-defined opaque byte string. A session will not be used in a + * connection without a matching session ID context. + * + * For a server, if |SSL_VERIFY_PEER| is enabled, it is an error to not set a + * session ID context. + * + * TODO(davidben): Is that check needed? That seems a special case of taking + * care not to cross-resume across configuration changes, and this is only + * relevant if a server requires client auth. */ +OPENSSL_EXPORT int SSL_CTX_set_session_id_context(SSL_CTX *ctx, + const uint8_t *sid_ctx, + unsigned sid_ctx_len); + +/* SSL_set_session_id_context sets |ssl|'s session ID context to |sid_ctx|. It + * returns one on success and zero on error. See also + * |SSL_CTX_set_session_id_context|. */ +OPENSSL_EXPORT int SSL_set_session_id_context(SSL *ssl, const uint8_t *sid_ctx, + unsigned sid_ctx_len); + +/* SSL_SESSION_CACHE_MAX_SIZE_DEFAULT is the default maximum size of a session + * cache. */ +#define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024 * 20) + +/* SSL_CTX_sess_set_cache_size sets the maximum size of |ctx|'s internal session + * cache to |size|. It returns the previous value. */ +OPENSSL_EXPORT unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, + unsigned long size); + +/* SSL_CTX_sess_get_cache_size returns the maximum size of |ctx|'s internal + * session cache. */ +OPENSSL_EXPORT unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx); + +/* SSL_CTX_sessions returns |ctx|'s internal session cache. */ +OPENSSL_EXPORT LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx); + +/* SSL_CTX_sess_number returns the number of sessions in |ctx|'s internal + * session cache. */ +OPENSSL_EXPORT size_t SSL_CTX_sess_number(const SSL_CTX *ctx); + +/* SSL_CTX_add_session inserts |session| into |ctx|'s internal session cache. It + * returns one on success and zero on error or if |ctx| already included a + * session with that session ID. The caller retains its reference to + * |session|. */ +OPENSSL_EXPORT int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *session); + +/* SSL_CTX_remove_session removes |session| from |ctx|'s internal session cache. + * It returns one on success and zero on error or if no session with a matching + * ID was found. */ +OPENSSL_EXPORT int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *session); + +/* SSL_CTX_flush_sessions removes all sessions from |ctx| which have expired as + * of time |time|. If |time| is zero, all sessions are removed. */ +OPENSSL_EXPORT void SSL_CTX_flush_sessions(SSL_CTX *ctx, long time); + +/* SSL_CTX_sess_set_new_cb sets the callback to be called when a new session is + * established and ready to be cached. If the session cache is disabled (the + * appropriate one of |SSL_SESS_CACHE_CLIENT| or |SSL_SESS_CACHE_SERVER| is + * unset), the callback is not called. + * + * The callback is passed a reference to |session|. It returns one if it takes + * ownership and zero otherwise. + * + * Note: For a client, the callback may be called on abbreviated handshakes if a + * ticket is renewed. Further, it may not be called until some time after + * |SSL_do_handshake| or |SSL_connect| completes if False Start is enabled. Thus + * it's recommended to use this callback over checking |SSL_session_reused| on + * handshake completion. + * + * TODO(davidben): Conditioning callbacks on |SSL_SESS_CACHE_CLIENT| or + * |SSL_SESS_CACHE_SERVER| doesn't make any sense when one could just as easily + * not supply the callbacks. Removing that condition and the client internal + * cache would simplify things. */ +OPENSSL_EXPORT void SSL_CTX_sess_set_new_cb( + SSL_CTX *ctx, int (*new_session_cb)(SSL *ssl, SSL_SESSION *session)); + +/* SSL_CTX_sess_get_new_cb returns the callback set by + * |SSL_CTX_sess_set_new_cb|. */ +OPENSSL_EXPORT int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))( + SSL *ssl, SSL_SESSION *session); + +/* SSL_CTX_sess_set_remove_cb sets a callback which is called when a session is + * removed from the internal session cache. + * + * TODO(davidben): What is the point of this callback? It seems useless since it + * only fires on sessions in the internal cache. */ +OPENSSL_EXPORT void SSL_CTX_sess_set_remove_cb( + SSL_CTX *ctx, + void (*remove_session_cb)(SSL_CTX *ctx, SSL_SESSION *session)); + +/* SSL_CTX_sess_get_remove_cb returns the callback set by + * |SSL_CTX_sess_set_remove_cb|. */ +OPENSSL_EXPORT void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))( + SSL_CTX *ctx, SSL_SESSION *session); + +/* SSL_CTX_sess_set_get_cb sets a callback to look up a session by ID for a + * server. The callback is passed the session ID and should return a matching + * |SSL_SESSION| or NULL if not found. It should set |*out_copy| to zero and + * return a new reference to the session. This callback is not used for a + * client. + * + * For historical reasons, if |*out_copy| is set to one (default), the SSL + * library will take a new reference to the returned |SSL_SESSION|, expecting + * the callback to return a non-owning pointer. This is not recommended. If + * |ctx| and thus the callback is used on multiple threads, the session may be + * removed and invalidated before the SSL library calls |SSL_SESSION_up_ref|, + * whereas the callback may synchronize internally. + * + * To look up a session asynchronously, the callback may return + * |SSL_magic_pending_session_ptr|. See the documentation for that function and + * |SSL_ERROR_PENDING_SESSION|. + * + * If the internal session cache is enabled, the callback is only consulted if + * the internal cache does not return a match. */ +OPENSSL_EXPORT void SSL_CTX_sess_set_get_cb( + SSL_CTX *ctx, + SSL_SESSION *(*get_session_cb)(SSL *ssl, uint8_t *id, int id_len, + int *out_copy)); + +/* SSL_CTX_sess_get_get_cb returns the callback set by + * |SSL_CTX_sess_set_get_cb|. */ +OPENSSL_EXPORT SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))( + SSL *ssl, uint8_t *id, int id_len, int *out_copy); + +/* SSL_magic_pending_session_ptr returns a magic |SSL_SESSION|* which indicates + * that the session isn't currently unavailable. |SSL_get_error| will then + * return |SSL_ERROR_PENDING_SESSION| and the handshake can be retried later + * when the lookup has completed. */ +OPENSSL_EXPORT SSL_SESSION *SSL_magic_pending_session_ptr(void); + +/* GEN_SESSION_CB is a callback to generate session IDs for |ssl|. It returns + * one on success and zero on error. On success, the generated ID is written to + * |id| and |*id_len| set to the length. On entry, |*id_len| is the maximum + * length of the ID, but the callback may shorten it if desired. It is an error + * for the callback to set the size to zero. + * + * Callbacks may use |SSL_has_matching_session_id| to check that the generated + * ID is unique. */ +typedef int (*GEN_SESSION_CB)(const SSL *ssl, uint8_t *id, unsigned *id_len); + +/* SSL_CTX_set_generate_session_id sets the session ID callback of |ctx| to + * |cb| and returns one. It will be called on the server when establishing a new + * session. */ +OPENSSL_EXPORT int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, + GEN_SESSION_CB cb); + +/* SSL_set_generate_session_id sets the session ID callback of |ssl| to |cb| and + * returns one. It will be called on the server when establishing a new + * session. */ +OPENSSL_EXPORT int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb); + +/* SSL_has_matching_session_id returns one if |ssl|'s session cache has a + * session of value |id| and zero otherwise. */ +OPENSSL_EXPORT int SSL_has_matching_session_id(const SSL *ssl, + const uint8_t *id, + unsigned id_len); + + +/* Session tickets. + * + * Session tickets, from RFC 5077, allow session resumption without server-side + * state. Session tickets are supported in by default but may be disabled with + * |SSL_OP_NO_TICKET|. + * + * On the client, ticket-based sessions use the same APIs as ID-based tickets. + * Callers do not need to handle them differently. + * + * On the server, tickets are encrypted and authenticated with a secret key. By + * default, an |SSL_CTX| generates a key on creation. Tickets are minted and + * processed transparently. The following functions may be used to configure a + * persistent key or implement more custom behavior. */ + +/* SSL_CTX_get_tlsext_ticket_keys writes |ctx|'s session ticket key material to + * |len| bytes of |out|. It returns one on success and zero if |len| is not + * 48. If |out| is NULL, it returns 48 instead. */ +OPENSSL_EXPORT int SSL_CTX_get_tlsext_ticket_keys(SSL_CTX *ctx, void *out, + size_t len); + +/* SSL_CTX_set_tlsext_ticket_keys sets |ctx|'s session ticket key material to + * |len| bytes of |in|. It returns one on success and zero if |len| is not + * 48. If |in| is NULL, it returns 48 instead. */ +OPENSSL_EXPORT int SSL_CTX_set_tlsext_ticket_keys(SSL_CTX *ctx, const void *in, + size_t len); + +/* SSL_TICKET_KEY_NAME_LEN is the length of the key name prefix of a session + * ticket. */ +#define SSL_TICKET_KEY_NAME_LEN 16 + +/* SSL_CTX_set_tlsext_ticket_key_cb sets the ticket callback to |callback| and + * returns one. |callback| will be called when encrypting a new ticket and when + * decrypting a ticket from the client. + * + * In both modes, |ctx| and |hmac_ctx| will already have been initialized with + * |EVP_CIPHER_CTX_init| and |HMAC_CTX_init|, respectively. |callback| + * configures |hmac_ctx| with an HMAC digest and key, and configures |ctx| + * for encryption or decryption, based on the mode. + * + * When encrypting a new ticket, |encrypt| will be one. It writes a public + * 16-byte key name to |key_name| and a fresh IV to |iv|. The output IV length + * must match |EVP_CIPHER_CTX_iv_length| of the cipher selected. In this mode, + * |callback| returns 1 on success and -1 on error. + * + * When decrypting a ticket, |encrypt| will be zero. |key_name| will point to a + * 16-byte key name and |iv| points to an IV. The length of the IV consumed must + * match |EVP_CIPHER_CTX_iv_length| of the cipher selected. In this mode, + * |callback| returns -1 to abort the handshake, 0 if decrypting the ticket + * failed, and 1 or 2 on success. If it returns 2, the ticket will be renewed. + * This may be used to re-key the ticket. + * + * WARNING: |callback| wildly breaks the usual return value convention and is + * called in two different modes. */ +OPENSSL_EXPORT int SSL_CTX_set_tlsext_ticket_key_cb( + SSL_CTX *ctx, int (*callback)(SSL *ssl, uint8_t *key_name, uint8_t *iv, + EVP_CIPHER_CTX *ctx, HMAC_CTX *hmac_ctx, + int encrypt)); + + +/* Elliptic curve Diffie-Hellman. + * + * Cipher suites using an ECDHE key exchange perform Diffie-Hellman over an + * elliptic curve negotiated by both endpoints. See RFC 4492. Only named curves + * are supported. ECDHE is always enabled, but the curve preferences may be + * configured with these functions. + * + * A client may use |SSL_SESSION_get_key_exchange_info| to determine the curve + * selected. */ + +/* SSL_CTX_set1_curves sets the preferred curves for |ctx| to be |curves|. Each + * element of |curves| should be a curve nid. It returns one on success and + * zero on failure. */ +OPENSSL_EXPORT int SSL_CTX_set1_curves(SSL_CTX *ctx, const int *curves, + size_t curves_len); + +/* SSL_set1_curves sets the preferred curves for |ssl| to be |curves|. Each + * element of |curves| should be a curve nid. It returns one on success and + * zero on failure. */ +OPENSSL_EXPORT int SSL_set1_curves(SSL *ssl, const int *curves, + size_t curves_len); + +/* SSL_CTX_set_tmp_ecdh configures |ctx| to use the curve from |ecdh| as the + * curve for ephemeral ECDH keys. For historical reasons, this API expects an + * |EC_KEY|, but only the curve is used. It returns one on success and zero on + * error. If unset, an appropriate curve will be chosen based on curve + * preferences. (This is recommended.) */ +OPENSSL_EXPORT int SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ec_key); + +/* SSL_set_tmp_ecdh configures |ssl| to use the curve from |ecdh| as the curve + * for ephemeral ECDH keys. For historical reasons, this API expects an + * |EC_KEY|, but only the curve is used. It returns one on success and zero on + * error. If unset, an appropriate curve will be chosen based on curve + * preferences. (This is recommended.) */ +OPENSSL_EXPORT int SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ec_key); + +/* SSL_CTX_set_tmp_ecdh_callback configures |ctx| to use |callback| to determine + * the curve for ephemeral ECDH keys. |callback| should ignore |is_export| and + * |keylength| and return an |EC_KEY| of the selected curve or NULL on + * error. Only the curve is used, so the |EC_KEY| needn't have a generated + * keypair. + * + * If the callback is unset, an appropriate curve will be chosen based on curve + * preferences. (This is recommended.) + * + * WARNING: The caller does not take ownership of the resulting |EC_KEY|, so + * |callback| must save and release the object elsewhere. */ +OPENSSL_EXPORT void SSL_CTX_set_tmp_ecdh_callback( + SSL_CTX *ctx, EC_KEY *(*callback)(SSL *ssl, int is_export, int keylength)); + +/* SSL_set_tmp_ecdh_callback configures |ssl| to use |callback| to determine the + * curve for ephemeral ECDH keys. |callback| should ignore |is_export| and + * |keylength| and return an |EC_KEY| of the selected curve or NULL on + * error. Only the curve is used, so the |EC_KEY| needn't have a generated + * keypair. + * + * If the callback is unset, an appropriate curve will be chosen based on curve + * preferences. (This is recommended.) + * + * WARNING: The caller does not take ownership of the resulting |EC_KEY|, so + * |callback| must save and release the object elsewhere. */ +OPENSSL_EXPORT void SSL_set_tmp_ecdh_callback( + SSL *ssl, EC_KEY *(*callback)(SSL *ssl, int is_export, int keylength)); + +/* SSL_get_curve_name returns a human-readable name for the elliptic curve + * specified by the given TLS curve id, or NULL if the curve if unknown. */ +OPENSSL_EXPORT const char *SSL_get_curve_name(uint16_t curve_id); + + +/* Multiplicative Diffie-Hellman. + * + * Cipher suites using a DHE key exchange perform Diffie-Hellman over a + * multiplicative group selected by the server. These ciphers are disabled for a + * server unless a group is chosen with one of these functions. + * + * A client may use |SSL_SESSION_get_key_exchange_info| to determine the size of + * the selected group's prime, but note that servers may select degenerate + * groups. */ + +/* SSL_CTX_set_tmp_dh configures |ctx| to use the group from |dh| as the group + * for DHE. Only the group is used, so |dh| needn't have a keypair. It returns + * one on success and zero on error. */ +OPENSSL_EXPORT int SSL_CTX_set_tmp_dh(SSL_CTX *ctx, const DH *dh); + +/* SSL_set_tmp_dh configures |ssl| to use the group from |dh| as the group for + * DHE. Only the group is used, so |dh| needn't have a keypair. It returns one + * on success and zero on error. */ +OPENSSL_EXPORT int SSL_set_tmp_dh(SSL *ssl, const DH *dh); + +/* SSL_CTX_set_tmp_dh_callback configures |ctx| to use |callback| to determine + * the group for DHE ciphers. |callback| should ignore |is_export| and + * |keylength| and return a |DH| of the selected group or NULL on error. Only + * the parameters are used, so the |DH| needn't have a generated keypair. + * + * WARNING: The caller does not take ownership of the resulting |DH|, so + * |callback| must save and release the object elsewhere. */ +OPENSSL_EXPORT void SSL_CTX_set_tmp_dh_callback( + SSL_CTX *ctx, DH *(*callback)(SSL *ssl, int is_export, int keylength)); + +/* SSL_set_tmp_dh_callback configures |ssl| to use |callback| to determine the + * group for DHE ciphers. |callback| should ignore |is_export| and |keylength| + * and return a |DH| of the selected group or NULL on error. Only the + * parameters are used, so the |DH| needn't have a generated keypair. + * + * WARNING: The caller does not take ownership of the resulting |DH|, so + * |callback| must save and release the object elsewhere. */ +OPENSSL_EXPORT void SSL_set_tmp_dh_callback(SSL *ssl, + DH *(*dh)(SSL *ssl, int is_export, + int keylength)); + + +/* Certificate verification. + * + * SSL may authenticate either endpoint with an X.509 certificate. Typically + * this is used to authenticate the server to the client. These functions + * configure certificate verification. + * + * WARNING: By default, certificate verification errors on a client are not + * fatal. See |SSL_VERIFY_NONE| This may be configured with + * |SSL_CTX_set_verify|. + * + * By default clients are anonymous but a server may request a certificate from + * the client by setting |SSL_VERIFY_PEER|. + * + * Many of these functions use OpenSSL's legacy X.509 stack which is + * underdocumented and deprecated, but the replacement isn't ready yet. For + * now, consumers may use the existing stack or bypass it by performing + * certificate verification externally. This may be done with + * |SSL_CTX_set_cert_verify_callback| or by extracting the chain with + * |SSL_get_peer_cert_chain| after the handshake. In the future, functions will + * be added to use the SSL stack without depending on any part of the legacy + * X.509 and ASN.1 stack. */ + +/* SSL_VERIFY_NONE, on a client, verifies the server certificate but does not + * make errors fatal. The result may be checked with |SSL_get_verify_result|. On + * a server it does not request a client certificate. This is the default. */ +#define SSL_VERIFY_NONE 0x00 + +/* SSL_VERIFY_PEER, on a client, makes server certificate errors fatal. On a + * server it requests a client certificate and makes errors fatal. However, + * anonymous clients are still allowed. See + * |SSL_VERIFY_FAIL_IF_NO_PEER_CERT|. */ +#define SSL_VERIFY_PEER 0x01 + +/* SSL_VERIFY_FAIL_IF_NO_PEER_CERT configures a server to reject connections if + * the client declines to send a certificate. Otherwise |SSL_VERIFY_PEER| still + * allows anonymous clients. */ +#define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02 + +/* SSL_VERIFY_PEER_IF_NO_OBC configures a server to request a client certificate + * if and only if Channel ID is not negotiated. */ +#define SSL_VERIFY_PEER_IF_NO_OBC 0x04 + +/* SSL_CTX_set_verify configures certificate verification behavior. |mode| is + * one of the |SSL_VERIFY_*| values defined above. |callback|, if not NULL, is + * used to customize certificate verification. See the behavior of + * |X509_STORE_CTX_set_verify_cb|. + * + * The callback may use |SSL_get_ex_data_X509_STORE_CTX_idx| with + * |X509_STORE_CTX_get_ex_data| to look up the |SSL| from |store_ctx|. */ +OPENSSL_EXPORT void SSL_CTX_set_verify( + SSL_CTX *ctx, int mode, int (*callback)(int ok, X509_STORE_CTX *store_ctx)); + +/* SSL_set_verify configures certificate verification behavior. |mode| is one of + * the |SSL_VERIFY_*| values defined above. |callback|, if not NULL, is used to + * customize certificate verification. See the behavior of + * |X509_STORE_CTX_set_verify_cb|. + * + * The callback may use |SSL_get_ex_data_X509_STORE_CTX_idx| with + * |X509_STORE_CTX_get_ex_data| to look up the |SSL| from |store_ctx|. */ +OPENSSL_EXPORT void SSL_set_verify(SSL *ssl, int mode, + int (*callback)(int ok, + X509_STORE_CTX *store_ctx)); + +/* SSL_CTX_get_verify_mode returns |ctx|'s verify mode, set by + * |SSL_CTX_set_verify|. */ +OPENSSL_EXPORT int SSL_CTX_get_verify_mode(const SSL_CTX *ctx); + +/* SSL_get_verify_mode returns |ssl|'s verify mode, set by |SSL_CTX_set_verify| + * or |SSL_set_verify|. */ +OPENSSL_EXPORT int SSL_get_verify_mode(const SSL *ssl); + +/* SSL_CTX_get_verify_callback returns the callback set by + * |SSL_CTX_set_verify|. */ +OPENSSL_EXPORT int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))( + int ok, X509_STORE_CTX *store_ctx); + +/* SSL_get_verify_callback returns the callback set by |SSL_CTX_set_verify| or + * |SSL_set_verify|. */ +OPENSSL_EXPORT int (*SSL_get_verify_callback(const SSL *ssl))( + int ok, X509_STORE_CTX *store_ctx); + +/* SSL_CTX_set_verify_depth sets the maximum depth of a certificate chain + * accepted in verification. This number does not include the leaf, so a depth + * of 1 allows the leaf and one CA certificate. */ +OPENSSL_EXPORT void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth); + +/* SSL_set_verify_depth sets the maximum depth of a certificate chain accepted + * in verification. This number does not include the leaf, so a depth of 1 + * allows the leaf and one CA certificate. */ +OPENSSL_EXPORT void SSL_set_verify_depth(SSL *ssl, int depth); + +/* SSL_CTX_get_verify_depth returns the maximum depth of a certificate accepted + * in verification. */ +OPENSSL_EXPORT int SSL_CTX_get_verify_depth(const SSL_CTX *ctx); + +/* SSL_get_verify_depth returns the maximum depth of a certificate accepted in + * verification. */ +OPENSSL_EXPORT int SSL_get_verify_depth(const SSL *ssl); + +/* SSL_CTX_set1_param sets verification parameters from |param|. It returns one + * on success and zero on failure. The caller retains ownership of |param|. */ +OPENSSL_EXPORT int SSL_CTX_set1_param(SSL_CTX *ctx, + const X509_VERIFY_PARAM *param); + +/* SSL_set1_param sets verification parameters from |param|. It returns one on + * success and zero on failure. The caller retains ownership of |param|. */ +OPENSSL_EXPORT int SSL_set1_param(SSL *ssl, + const X509_VERIFY_PARAM *param); + +/* SSL_CTX_get0_param returns |ctx|'s |X509_VERIFY_PARAM| for certificate + * verification. The caller must not release the returned pointer but may call + * functions on it to configure it. */ +OPENSSL_EXPORT X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx); + +/* SSL_get0_param returns |ssl|'s |X509_VERIFY_PARAM| for certificate + * verification. The caller must not release the returned pointer but may call + * functions on it to configure it. */ +OPENSSL_EXPORT X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl); + +/* SSL_CTX_set_purpose sets |ctx|'s |X509_VERIFY_PARAM|'s 'purpose' parameter to + * |purpose|. It returns one on success and zero on error. */ +OPENSSL_EXPORT int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose); + +/* SSL_set_purpose sets |ssl|'s |X509_VERIFY_PARAM|'s 'purpose' parameter to + * |purpose|. It returns one on success and zero on error. */ +OPENSSL_EXPORT int SSL_set_purpose(SSL *ssl, int purpose); + +/* SSL_CTX_set_trust sets |ctx|'s |X509_VERIFY_PARAM|'s 'trust' parameter to + * |trust|. It returns one on success and zero on error. */ +OPENSSL_EXPORT int SSL_CTX_set_trust(SSL_CTX *ctx, int trust); + +/* SSL_set_trust sets |ssl|'s |X509_VERIFY_PARAM|'s 'trust' parameter to + * |trust|. It returns one on success and zero on error. */ +OPENSSL_EXPORT int SSL_set_trust(SSL *ssl, int trust); + +/* SSL_CTX_set_cert_store sets |ctx|'s certificate store to |store|. It takes + * ownership of |store|. The store is used for certificate verification. + * + * The store is also used for the auto-chaining feature, but this is deprecated. + * See also |SSL_MODE_NO_AUTO_CHAIN|. */ +OPENSSL_EXPORT void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store); + +/* SSL_CTX_get_cert_store returns |ctx|'s certificate store. */ +OPENSSL_EXPORT X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx); + +/* SSL_CTX_set_default_verify_paths loads the OpenSSL system-default trust + * anchors into |ctx|'s store. It returns one on success and zero on failure. */ +OPENSSL_EXPORT int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx); + +/* SSL_CTX_load_verify_locations loads trust anchors into |ctx|'s store from + * |ca_file| and |ca_dir|, either of which may be NULL. If |ca_file| is passed, + * it is opened and PEM-encoded CA certificates are read. If |ca_dir| is passed, + * it is treated as a directory in OpenSSL's hashed directory format. It returns + * one on success and zero on failure. + * + * See + * https://www.openssl.org/docs/manmaster/ssl/SSL_CTX_load_verify_locations.html + * for documentation on the directory format. */ +OPENSSL_EXPORT int SSL_CTX_load_verify_locations(SSL_CTX *ctx, + const char *ca_file, + const char *ca_dir); + +/* SSL_get_verify_result returns the result of certificate verification. It is + * either |X509_V_OK| or a |X509_V_ERR_*| value. */ +OPENSSL_EXPORT long SSL_get_verify_result(const SSL *ssl); + +/* SSL_set_verify_result overrides the result of certificate verification. */ +OPENSSL_EXPORT void SSL_set_verify_result(SSL *ssl, long result); + +/* SSL_get_ex_data_X509_STORE_CTX_idx returns the ex_data index used to look up + * the |SSL| associated with an |X509_STORE_CTX| in the verify callback. */ +OPENSSL_EXPORT int SSL_get_ex_data_X509_STORE_CTX_idx(void); + +/* SSL_CTX_set_cert_verify_callback sets a custom callback to be called on + * certificate verification rather than |X509_verify_cert|. |store_ctx| contains + * the verification parameters. The callback should return one on success and + * zero on fatal error. It may use |X509_STORE_CTX_set_error| to set a + * verification result. + * + * The callback may use either the |arg| parameter or + * |SSL_get_ex_data_X509_STORE_CTX_idx| to recover the associated |SSL| + * object. */ +OPENSSL_EXPORT void SSL_CTX_set_cert_verify_callback( + SSL_CTX *ctx, int (*callback)(X509_STORE_CTX *store_ctx, void *arg), + void *arg); + + +/* Client certificate CA list. + * + * When requesting a client certificate, a server may advertise a list of + * certificate authorities which are accepted. These functions may be used to + * configure this list. */ + +/* SSL_set_client_CA_list sets |ssl|'s client certificate CA list to + * |name_list|. It takes ownership of |name_list|. */ +OPENSSL_EXPORT void SSL_set_client_CA_list(SSL *ssl, + STACK_OF(X509_NAME) *name_list); + +/* SSL_CTX_set_client_CA_list sets |ctx|'s client certificate CA list to + * |name_list|. It takes ownership of |name_list|. */ +OPENSSL_EXPORT void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, + STACK_OF(X509_NAME) *name_list); + +/* SSL_get_client_CA_list returns |ssl|'s client certificate CA list. */ +OPENSSL_EXPORT STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *ssl); + +/* SSL_CTX_get_client_CA_list returns |ctx|'s client certificate CA list. */ +OPENSSL_EXPORT STACK_OF(X509_NAME) * + SSL_CTX_get_client_CA_list(const SSL_CTX *ctx); + +/* SSL_add_client_CA appends |x509|'s subject to the client certificate CA list. + * It returns one on success or zero on error. The caller retains ownership of + * |x509|. */ +OPENSSL_EXPORT int SSL_add_client_CA(SSL *ssl, X509 *x509); + +/* SSL_CTX_add_client_CA appends |x509|'s subject to the client certificate CA + * list. It returns one on success or zero on error. The caller retains + * ownership of |x509|. */ +OPENSSL_EXPORT int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x509); + +/* SSL_load_client_CA_file opens |file| and reads PEM-encoded certificates from + * it. It returns a newly-allocated stack of the certificate subjects or NULL + * on error. */ +OPENSSL_EXPORT STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file); + +/* SSL_dup_CA_list makes a deep copy of |list|. It returns the new list on + * success or NULL on allocation error. */ +OPENSSL_EXPORT STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *list); + +/* SSL_add_file_cert_subjects_to_stack behaves like |SSL_load_client_CA_file| + * but appends the result to |out|. It returns one on success or zero on + * error. */ +OPENSSL_EXPORT int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *out, + const char *file); + +/* SSL_add_dir_cert_subjects_to_stack lists files in directory |dir|. It calls + * |SSL_add_file_cert_subjects_to_stack| on each file and returns one on success + * or zero on error. */ +OPENSSL_EXPORT int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *out, + const char *dir); + + +/* Application-layer protocol negotation. + * + * The ALPN extension (RFC 7301) allows negotiating different application-layer + * protocols over a single port. This is used, for example, to negotiate + * HTTP/2. */ + +/* SSL_CTX_set_alpn_protos sets the client ALPN protocol list on |ctx| to + * |protos|. |protos| must be in wire-format (i.e. a series of non-empty, 8-bit + * length-prefixed strings). It returns zero on success and one on failure. + * Configuring this list enables ALPN on a client. + * + * WARNING: this function is dangerous because it breaks the usual return value + * convention. */ +OPENSSL_EXPORT int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos, + unsigned protos_len); + +/* SSL_set_alpn_protos sets the client ALPN protocol list on |ssl| to |protos|. + * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit + * length-prefixed strings). It returns zero on success and one on failure. + * Configuring this list enables ALPN on a client. + * + * WARNING: this function is dangerous because it breaks the usual return value + * convention. */ +OPENSSL_EXPORT int SSL_set_alpn_protos(SSL *ssl, const uint8_t *protos, + unsigned protos_len); + +/* SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is called + * during ClientHello processing in order to select an ALPN protocol from the + * client's list of offered protocols. Configuring this callback enables ALPN on + * a server. + * + * The callback is passed a wire-format (i.e. a series of non-empty, 8-bit + * length-prefixed strings) ALPN protocol list in |in|. It should set |*out| and + * |*out_len| to the selected protocol and return |SSL_TLSEXT_ERR_OK| on + * success. It does not pass ownership of the buffer. Otherwise, it should + * return |SSL_TLSEXT_ERR_NOACK|. Other |SSL_TLSEXT_ERR_*| values are + * unimplemented and will be treated as |SSL_TLSEXT_ERR_NOACK|. */ +OPENSSL_EXPORT void SSL_CTX_set_alpn_select_cb( + SSL_CTX *ctx, int (*cb)(SSL *ssl, const uint8_t **out, uint8_t *out_len, + const uint8_t *in, unsigned in_len, void *arg), + void *arg); + +/* SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|. + * On return it sets |*out_data| to point to |*out_len| bytes of protocol name + * (not including the leading length-prefix byte). If the server didn't respond + * with a negotiated protocol then |*out_len| will be zero. */ +OPENSSL_EXPORT void SSL_get0_alpn_selected(const SSL *ssl, + const uint8_t **out_data, + unsigned *out_len); + + +/* Next protocol negotiation. + * + * The NPN extension (draft-agl-tls-nextprotoneg-03) is the predecessor to ALPN + * and deprecated in favor of it. */ + +/* SSL_CTX_set_next_protos_advertised_cb sets a callback that is called when a + * TLS server needs a list of supported protocols for Next Protocol + * Negotiation. The returned list must be in wire format. The list is returned + * by setting |*out| to point to it and |*out_len| to its length. This memory + * will not be modified, but one should assume that |ssl| keeps a reference to + * it. + * + * The callback should return |SSL_TLSEXT_ERR_OK| if it wishes to advertise. + * Otherwise, no such extension will be included in the ServerHello. */ +OPENSSL_EXPORT void SSL_CTX_set_next_protos_advertised_cb( + SSL_CTX *ctx, + int (*cb)(SSL *ssl, const uint8_t **out, unsigned *out_len, void *arg), + void *arg); + +/* SSL_CTX_set_next_proto_select_cb sets a callback that is called when a client + * needs to select a protocol from the server's provided list. |*out| must be + * set to point to the selected protocol (which may be within |in|). The length + * of the protocol name must be written into |*out_len|. The server's advertised + * protocols are provided in |in| and |in_len|. The callback can assume that + * |in| is syntactically valid. + * + * The client must select a protocol. It is fatal to the connection if this + * callback returns a value other than |SSL_TLSEXT_ERR_OK|. + * + * Configuring this callback enables NPN on a client. */ +OPENSSL_EXPORT void SSL_CTX_set_next_proto_select_cb( + SSL_CTX *ctx, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *out_len, + const uint8_t *in, unsigned in_len, void *arg), + void *arg); + +/* SSL_get0_next_proto_negotiated sets |*out_data| and |*out_len| to point to + * the client's requested protocol for this connection. If the client didn't + * request any protocol, then |*out_data| is set to NULL. + * + * Note that the client can request any protocol it chooses. The value returned + * from this function need not be a member of the list of supported protocols + * provided by the server. */ +OPENSSL_EXPORT void SSL_get0_next_proto_negotiated(const SSL *ssl, + const uint8_t **out_data, + unsigned *out_len); + +/* SSL_select_next_proto implements the standard protocol selection. It is + * expected that this function is called from the callback set by + * |SSL_CTX_set_next_proto_select_cb|. + * + * The protocol data is assumed to be a vector of 8-bit, length prefixed byte + * strings. The length byte itself is not included in the length. A byte + * string of length 0 is invalid. No byte string may be truncated. + * + * The current, but experimental algorithm for selecting the protocol is: + * + * 1) If the server doesn't support NPN then this is indicated to the + * callback. In this case, the client application has to abort the connection + * or have a default application level protocol. + * + * 2) If the server supports NPN, but advertises an empty list then the + * client selects the first protcol in its list, but indicates via the + * API that this fallback case was enacted. + * + * 3) Otherwise, the client finds the first protocol in the server's list + * that it supports and selects this protocol. This is because it's + * assumed that the server has better information about which protocol + * a client should use. + * + * 4) If the client doesn't support any of the server's advertised + * protocols, then this is treated the same as case 2. + * + * It returns either |OPENSSL_NPN_NEGOTIATED| if a common protocol was found, or + * |OPENSSL_NPN_NO_OVERLAP| if the fallback case was reached. */ +OPENSSL_EXPORT int SSL_select_next_proto(uint8_t **out, uint8_t *out_len, + const uint8_t *server, + unsigned server_len, + const uint8_t *client, + unsigned client_len); + +#define OPENSSL_NPN_UNSUPPORTED 0 +#define OPENSSL_NPN_NEGOTIATED 1 +#define OPENSSL_NPN_NO_OVERLAP 2 + + +/* Channel ID. + * + * See draft-balfanz-tls-channelid-01. */ + +/* SSL_CTX_enable_tls_channel_id either configures a TLS server to accept TLS + * Channel IDs from clients, or configures a client to send TLS Channel IDs to + * a server. It returns one. */ +OPENSSL_EXPORT int SSL_CTX_enable_tls_channel_id(SSL_CTX *ctx); + +/* SSL_enable_tls_channel_id either configures a TLS server to accept TLS + * Channel IDs from clients, or configures a client to send TLS Channel IDs to + * server. It returns one. */ +OPENSSL_EXPORT int SSL_enable_tls_channel_id(SSL *ssl); + +/* SSL_CTX_set1_tls_channel_id configures a TLS client to send a TLS Channel ID + * to compatible servers. |private_key| must be a P-256 EC key. It returns one + * on success and zero on error. */ +OPENSSL_EXPORT int SSL_CTX_set1_tls_channel_id(SSL_CTX *ctx, + EVP_PKEY *private_key); + +/* SSL_set1_tls_channel_id configures a TLS client to send a TLS Channel ID to + * compatible servers. |private_key| must be a P-256 EC key. It returns one on + * success and zero on error. */ +OPENSSL_EXPORT int SSL_set1_tls_channel_id(SSL *ssl, EVP_PKEY *private_key); + +/* SSL_get_tls_channel_id gets the client's TLS Channel ID from a server |SSL*| + * and copies up to the first |max_out| bytes into |out|. The Channel ID + * consists of the client's P-256 public key as an (x,y) pair where each is a + * 32-byte, big-endian field element. It returns 0 if the client didn't offer a + * Channel ID and the length of the complete Channel ID otherwise. */ +OPENSSL_EXPORT size_t SSL_get_tls_channel_id(SSL *ssl, uint8_t *out, + size_t max_out); + +/* SSL_CTX_set_channel_id_cb sets a callback to be called when a TLS Channel ID + * is requested. The callback may set |*out_pkey| to a key, passing a reference + * to the caller. If none is returned, the handshake will pause and + * |SSL_get_error| will return |SSL_ERROR_WANT_CHANNEL_ID_LOOKUP|. + * + * See also |SSL_ERROR_WANT_CHANNEL_ID_LOOKUP|. */ +OPENSSL_EXPORT void SSL_CTX_set_channel_id_cb( + SSL_CTX *ctx, void (*channel_id_cb)(SSL *ssl, EVP_PKEY **out_pkey)); + +/* SSL_CTX_get_channel_id_cb returns the callback set by + * |SSL_CTX_set_channel_id_cb|. */ +OPENSSL_EXPORT void (*SSL_CTX_get_channel_id_cb(SSL_CTX *ctx))( + SSL *ssl, EVP_PKEY **out_pkey); + + +/* DTLS-SRTP. + * + * See RFC 5764. */ + +/* An SRTP_PROTECTION_PROFILE is an SRTP profile for use with the use_srtp + * extension. */ +struct srtp_protection_profile_st { + const char *name; + unsigned long id; +} /* SRTP_PROTECTION_PROFILE */; + +DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE) + +/* SRTP_* define constants for SRTP profiles. */ +#define SRTP_AES128_CM_SHA1_80 0x0001 +#define SRTP_AES128_CM_SHA1_32 0x0002 +#define SRTP_AES128_F8_SHA1_80 0x0003 +#define SRTP_AES128_F8_SHA1_32 0x0004 +#define SRTP_NULL_SHA1_80 0x0005 +#define SRTP_NULL_SHA1_32 0x0006 + +/* SSL_CTX_set_srtp_profiles enables SRTP for all SSL objects created from + * |ctx|. |profile| contains a colon-separated list of profile names. It returns + * one on success and zero on failure. */ +OPENSSL_EXPORT int SSL_CTX_set_srtp_profiles(SSL_CTX *ctx, + const char *profiles); + +/* SSL_set_srtp_profiles enables SRTP for |ssl|. |profile| contains a + * colon-separated list of profile names. It returns one on success and zero on + * failure. */ +OPENSSL_EXPORT int SSL_set_srtp_profiles(SSL *ssl, const char *profiles); + +/* SSL_get_srtp_profiles returns the SRTP profiles supported by |ssl|. */ +OPENSSL_EXPORT STACK_OF(SRTP_PROTECTION_PROFILE) *SSL_get_srtp_profiles( + SSL *ssl); + +/* SSL_get_selected_srtp_profile returns the selected SRTP profile, or NULL if + * SRTP was not negotiated. */ +OPENSSL_EXPORT const SRTP_PROTECTION_PROFILE *SSL_get_selected_srtp_profile( + SSL *ssl); + + +/* Pre-shared keys. + * + * Connections may be configured with PSK (Pre-Shared Key) cipher suites. These + * authenticate using out-of-band pre-shared keys rather than certificates. See + * RFC 4279. + * + * This implementation uses NUL-terminated C strings for identities and identity + * hints, so values with a NUL character are not supported. (RFC 4279 does not + * specify the format of an identity.) */ + +/* PSK_MAX_IDENTITY_LEN is the maximum supported length of a PSK identity, + * excluding the NUL terminator. */ +#define PSK_MAX_IDENTITY_LEN 128 + +/* PSK_MAX_PSK_LEN is the maximum supported length of a pre-shared key. */ +#define PSK_MAX_PSK_LEN 256 + +/* SSL_CTX_set_psk_client_callback sets the callback to be called when PSK is + * negotiated on the client. This callback must be set to enable PSK cipher + * suites on the client. + * + * The callback is passed the identity hint in |hint| or NULL if none was + * provided. It should select a PSK identity and write the identity and the + * corresponding PSK to |identity| and |psk|, respectively. The identity is + * written as a NUL-terminated C string of length (excluding the NUL terminator) + * at most |max_identity_len|. The PSK's length must be at most |max_psk_len|. + * The callback returns the length of the PSK or 0 if no suitable identity was + * found. */ +OPENSSL_EXPORT void SSL_CTX_set_psk_client_callback( + SSL_CTX *ctx, + unsigned (*psk_client_callback)( + SSL *ssl, const char *hint, char *identity, + unsigned max_identity_len, uint8_t *psk, unsigned max_psk_len)); + +/* SSL_set_psk_client_callback sets the callback to be called when PSK is + * negotiated on the client. This callback must be set to enable PSK cipher + * suites on the client. See also |SSL_CTX_set_psk_client_callback|. */ +OPENSSL_EXPORT void SSL_set_psk_client_callback( + SSL *ssl, unsigned (*psk_client_callback)(SSL *ssl, const char *hint, + char *identity, + unsigned max_identity_len, + uint8_t *psk, + unsigned max_psk_len)); + +/* SSL_CTX_set_psk_server_callback sets the callback to be called when PSK is + * negotiated on the server. This callback must be set to enable PSK cipher + * suites on the server. + * + * The callback is passed the identity in |identity|. It should write a PSK of + * length at most |max_psk_len| to |psk| and return the number of bytes written + * or zero if the PSK identity is unknown. */ +OPENSSL_EXPORT void SSL_CTX_set_psk_server_callback( + SSL_CTX *ctx, + unsigned (*psk_server_callback)(SSL *ssl, const char *identity, + uint8_t *psk, + unsigned max_psk_len)); + +/* SSL_set_psk_server_callback sets the callback to be called when PSK is + * negotiated on the server. This callback must be set to enable PSK cipher + * suites on the server. See also |SSL_CTX_set_psk_server_callback|. */ +OPENSSL_EXPORT void SSL_set_psk_server_callback( + SSL *ssl, + unsigned (*psk_server_callback)(SSL *ssl, const char *identity, + uint8_t *psk, + unsigned max_psk_len)); + +/* SSL_CTX_use_psk_identity_hint configures server connections to advertise an + * identity hint of |identity_hint|. It returns one on success and zero on + * error. */ +OPENSSL_EXPORT int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, + const char *identity_hint); + +/* SSL_use_psk_identity_hint configures server connections to advertise an + * identity hint of |identity_hint|. It returns one on success and zero on + * error. */ +OPENSSL_EXPORT int SSL_use_psk_identity_hint(SSL *ssl, + const char *identity_hint); + +/* SSL_get_psk_identity_hint returns the PSK identity hint advertised for |ssl| + * or NULL if there is none. */ +OPENSSL_EXPORT const char *SSL_get_psk_identity_hint(const SSL *ssl); + +/* SSL_get_psk_identity, after the handshake completes, returns the PSK identity + * that was negotiated by |ssl| or NULL if PSK was not used. */ +OPENSSL_EXPORT const char *SSL_get_psk_identity(const SSL *ssl); + + +/* ex_data functions. + * + * See |ex_data.h| for details. */ + +OPENSSL_EXPORT int SSL_set_ex_data(SSL *ssl, int idx, void *data); +OPENSSL_EXPORT void *SSL_get_ex_data(const SSL *ssl, int idx); +OPENSSL_EXPORT int SSL_get_ex_new_index(long argl, void *argp, + CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, + CRYPTO_EX_free *free_func); + +OPENSSL_EXPORT int SSL_SESSION_set_ex_data(SSL_SESSION *session, int idx, + void *data); +OPENSSL_EXPORT void *SSL_SESSION_get_ex_data(const SSL_SESSION *session, + int idx); +OPENSSL_EXPORT int SSL_SESSION_get_ex_new_index(long argl, void *argp, + CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, + CRYPTO_EX_free *free_func); + +OPENSSL_EXPORT int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *data); +OPENSSL_EXPORT void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx); +OPENSSL_EXPORT int SSL_CTX_get_ex_new_index(long argl, void *argp, + CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, + CRYPTO_EX_free *free_func); + + +/* Obscure functions. */ + +/* SSL_get_rc4_state sets |*read_key| and |*write_key| to the RC4 states for + * the read and write directions. It returns one on success or zero if |ssl| + * isn't using an RC4-based cipher suite. */ +OPENSSL_EXPORT int SSL_get_rc4_state(const SSL *ssl, const RC4_KEY **read_key, + const RC4_KEY **write_key); + +/* SSL_get_structure_sizes returns the sizes of the SSL, SSL_CTX and + * SSL_SESSION structures so that a test can ensure that outside code agrees on + * these values. */ +OPENSSL_EXPORT void SSL_get_structure_sizes(size_t *ssl_size, + size_t *ssl_ctx_size, + size_t *ssl_session_size); /* Underdocumented functions. @@ -611,127 +2252,14 @@ OPENSSL_EXPORT int SSL_initial_handshake_complete(const SSL *ssl); #define SSL_SENT_SHUTDOWN 1 #define SSL_RECEIVED_SHUTDOWN 2 -#define SSL_FILETYPE_ASN1 X509_FILETYPE_ASN1 -#define SSL_FILETYPE_PEM X509_FILETYPE_PEM - typedef struct ssl_protocol_method_st SSL_PROTOCOL_METHOD; -typedef struct ssl_session_st SSL_SESSION; -typedef struct tls_sigalgs_st TLS_SIGALGS; typedef struct ssl_conf_ctx_st SSL_CONF_CTX; typedef struct ssl3_enc_method SSL3_ENC_METHOD; -/* SRTP protection profiles for use with the use_srtp extension (RFC 5764). */ -typedef struct srtp_protection_profile_st { - const char *name; - unsigned long id; -} SRTP_PROTECTION_PROFILE; - -DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE) - -/* An SSL_SESSION represents an SSL session that may be resumed in an - * abbreviated handshake. */ -struct ssl_session_st { - int ssl_version; /* what ssl version session info is being kept in here? */ - - int master_key_length; - uint8_t master_key[SSL_MAX_MASTER_KEY_LENGTH]; - /* session_id - valid? */ - unsigned int session_id_length; - uint8_t session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; - /* this is used to determine whether the session is being reused in - * the appropriate context. It is up to the application to set this, - * via SSL_new */ - unsigned int sid_ctx_length; - uint8_t sid_ctx[SSL_MAX_SID_CTX_LENGTH]; - - char *psk_identity; - /* Used to indicate that session resumption is not allowed. Applications can - * also set this bit for a new session via not_resumable_session_cb to - * disable session caching and tickets. */ - int not_resumable; - - /* The cert is the certificate used to establish this connection - * - * TODO(davidben): Remove this field. It is not serialized as part of the - * session, but some APIs access it. Certificate-related fields, where not - * redundant with |peer|, should be added to the session. Others should - * probably not be retained across resumptions. */ - struct sess_cert_st /* SESS_CERT */ *sess_cert; - - /* This is the cert for the other end. On clients, it will be the same as - * sess_cert->peer_key->x509 (the latter is not enough as sess_cert is not - * retained in the external representation of sessions, see ssl_asn1.c). */ - X509 *peer; - /* when app_verify_callback accepts a session where the peer's certificate is - * not ok, we must remember the error for session reuse: */ - long verify_result; /* only for servers */ - - CRYPTO_refcount_t references; - long timeout; - long time; - - const SSL_CIPHER *cipher; - - CRYPTO_EX_DATA ex_data; /* application specific data */ - - /* These are used to make removal of session-ids more efficient and to - * implement a maximum cache size. */ - SSL_SESSION *prev, *next; - char *tlsext_hostname; - /* RFC4507 info */ - uint8_t *tlsext_tick; /* Session ticket */ - size_t tlsext_ticklen; /* Session ticket length */ - uint32_t tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ - - size_t tlsext_signed_cert_timestamp_list_length; - uint8_t *tlsext_signed_cert_timestamp_list; /* Server's list. */ - - /* The OCSP response that came with the session. */ - size_t ocsp_response_length; - uint8_t *ocsp_response; - - char peer_sha256_valid; /* Non-zero if peer_sha256 is valid */ - uint8_t - peer_sha256[SHA256_DIGEST_LENGTH]; /* SHA256 of peer certificate */ - - /* original_handshake_hash contains the handshake hash (either SHA-1+MD5 or - * SHA-2, depending on TLS version) for the original, full handshake that - * created a session. This is used by Channel IDs during resumption. */ - uint8_t original_handshake_hash[EVP_MAX_MD_SIZE]; - unsigned int original_handshake_hash_len; - - /* extended_master_secret is true if the master secret in this session was - * generated using EMS and thus isn't vulnerable to the Triple Handshake - * attack. */ - char extended_master_secret; -}; - - -/* Cert related flags */ -/* Many implementations ignore some aspects of the TLS standards such as - * enforcing certifcate chain algorithms. When this is set we enforce them. */ -#define SSL_CERT_FLAG_TLS_STRICT 0x00000001L - -/* Flags for building certificate chains */ -/* Treat any existing certificates as untrusted CAs */ -#define SSL_BUILD_CHAIN_FLAG_UNTRUSTED 0x1 -/* Don't include root CA in chain */ -#define SSL_BUILD_CHAIN_FLAG_NO_ROOT 0x2 -/* Just check certificates already there */ -#define SSL_BUILD_CHAIN_FLAG_CHECK 0x4 -/* Ignore verification errors */ -#define SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR 0x8 -/* Clear verification errors from queue */ -#define SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR 0x10 - /* SSL_set_mtu sets the |ssl|'s MTU in DTLS to |mtu|. It returns one on success * and zero on failure. */ OPENSSL_EXPORT int SSL_set_mtu(SSL *ssl, unsigned mtu); -/* SSL_get_secure_renegotiation_support returns one if the peer supports secure - * renegotiation (RFC 5746) and zero otherwise. */ -OPENSSL_EXPORT int SSL_get_secure_renegotiation_support(const SSL *ssl); - /* SSL_CTX_set_msg_callback installs |cb| as the message callback for |ctx|. * This callback will be called when sending or receiving low-level record * headers, complete handshake messages, ChangeCipherSpec, and alerts. @@ -777,26 +2305,6 @@ typedef struct ssl_aead_ctx_st SSL_AEAD_CTX; #define SSL_MAX_CERT_LIST_DEFAULT 1024 * 100 /* 100k max cert list */ -#define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT (1024 * 20) - -#define SSL_DEFAULT_SESSION_TIMEOUT (2 * 60 * 60) - -/* This callback type is used inside SSL_CTX, SSL, and in the functions that - * set them. It is used to override the generation of SSL/TLS session IDs in a - * server. Return value should be zero on an error, non-zero to proceed. Also, - * callbacks should themselves check if the id they generate is unique - * otherwise the SSL handshake will fail with an error - callbacks can do this - * using the 'ssl' value they're passed by; - * SSL_has_matching_session_id(ssl, id, *id_len) - * The length value passed in is set at the maximum size the session ID can be. - * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback - * can alter this length to be less if desired, but under SSLv2 session IDs are - * supposed to be fixed at 16 bytes so the id will be padded after the callback - * returns in this case. It is also an error for the callback to set the size - * to zero. */ -typedef int (*GEN_SESSION_CB)(const SSL *ssl, uint8_t *id, - unsigned int *id_len); - /* ssl_early_callback_ctx is passed to certain callbacks that are called very * early on during the server handshake. At this point, much of the SSL* hasn't * been filled out and only the ClientHello can be depended on. */ @@ -823,6 +2331,511 @@ OPENSSL_EXPORT char SSL_early_callback_ctx_extension_get( const struct ssl_early_callback_ctx *ctx, uint16_t extension_type, const uint8_t **out_data, size_t *out_len); +OPENSSL_EXPORT void SSL_CTX_set_info_callback(SSL_CTX *ctx, + void (*cb)(const SSL *ssl, + int type, int val)); +OPENSSL_EXPORT void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl, + int type, + int val); +OPENSSL_EXPORT void SSL_CTX_set_client_cert_cb( + SSL_CTX *ctx, + int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey)); +OPENSSL_EXPORT int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, + X509 **x509, + EVP_PKEY **pkey); +/* SSL_enable_signed_cert_timestamps causes |ssl| (which must be the client end + * of a connection) to request SCTs from the server. See + * https://tools.ietf.org/html/rfc6962. It returns one. */ +OPENSSL_EXPORT int SSL_enable_signed_cert_timestamps(SSL *ssl); + +/* SSL_CTX_enable_signed_cert_timestamps enables SCT requests on all client SSL + * objects created from |ctx|. */ +OPENSSL_EXPORT void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx); + +/* SSL_enable_ocsp_stapling causes |ssl| (which must be the client end of a + * connection) to request a stapled OCSP response from the server. It returns + * one. */ +OPENSSL_EXPORT int SSL_enable_ocsp_stapling(SSL *ssl); + +/* SSL_CTX_enable_ocsp_stapling enables OCSP stapling on all client SSL objects + * created from |ctx|. */ +OPENSSL_EXPORT void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx); + +/* SSL_get0_signed_cert_timestamp_list sets |*out| and |*out_len| to point to + * |*out_len| bytes of SCT information from the server. This is only valid if + * |ssl| is a client. The SCT information is a SignedCertificateTimestampList + * (including the two leading length bytes). + * See https://tools.ietf.org/html/rfc6962#section-3.3 + * If no SCT was received then |*out_len| will be zero on return. + * + * WARNING: the returned data is not guaranteed to be well formed. */ +OPENSSL_EXPORT void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, + const uint8_t **out, + size_t *out_len); + +/* SSL_get0_ocsp_response sets |*out| and |*out_len| to point to |*out_len| + * bytes of an OCSP response from the server. This is the DER encoding of an + * OCSPResponse type as defined in RFC 2560. + * + * WARNING: the returned data is not guaranteed to be well formed. */ +OPENSSL_EXPORT void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out, + size_t *out_len); + +/* SSL_set_reject_peer_renegotiations controls whether renegotiation attempts by + * the peer are rejected. It may be set at any point in a connection's lifetime + * to control future renegotiations programmatically. By default, renegotiations + * are rejected. (Renegotiations requested by a client are always rejected.) */ +OPENSSL_EXPORT void SSL_set_reject_peer_renegotiations(SSL *ssl, int reject); + +#define SSL_NOTHING 1 +#define SSL_WRITING 2 +#define SSL_READING 3 +#define SSL_X509_LOOKUP 4 +#define SSL_CHANNEL_ID_LOOKUP 5 +#define SSL_PENDING_SESSION 7 +#define SSL_CERTIFICATE_SELECTION_PENDING 8 +#define SSL_PRIVATE_KEY_OPERATION 9 + +/* These will only be used when doing non-blocking IO */ +#define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING) +#define SSL_want_read(s) (SSL_want(s) == SSL_READING) +#define SSL_want_write(s) (SSL_want(s) == SSL_WRITING) +#define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP) +#define SSL_want_channel_id_lookup(s) (SSL_want(s) == SSL_CHANNEL_ID_LOOKUP) +#define SSL_want_session(s) (SSL_want(s) == SSL_PENDING_SESSION) +#define SSL_want_certificate(s) \ + (SSL_want(s) == SSL_CERTIFICATE_SELECTION_PENDING) +#define SSL_want_private_key_operation(s) \ + (SSL_want(s) == SSL_PRIVATE_KEY_OPERATION) + +/* The following are the possible values for ssl->state are are used to + * indicate where we are up to in the SSL connection establishment. The macros + * that follow are about the only things you should need to use and even then, + * only when using non-blocking IO. It can also be useful to work out where you + * were when the connection failed */ + +#define SSL_ST_CONNECT 0x1000 +#define SSL_ST_ACCEPT 0x2000 +#define SSL_ST_MASK 0x0FFF +#define SSL_ST_INIT (SSL_ST_CONNECT | SSL_ST_ACCEPT) +#define SSL_ST_OK 0x03 +#define SSL_ST_RENEGOTIATE (0x04 | SSL_ST_INIT) + +#define SSL_CB_LOOP 0x01 +#define SSL_CB_EXIT 0x02 +#define SSL_CB_READ 0x04 +#define SSL_CB_WRITE 0x08 +#define SSL_CB_ALERT 0x4000 /* used in callback */ +#define SSL_CB_READ_ALERT (SSL_CB_ALERT | SSL_CB_READ) +#define SSL_CB_WRITE_ALERT (SSL_CB_ALERT | SSL_CB_WRITE) +#define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT | SSL_CB_LOOP) +#define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT | SSL_CB_EXIT) +#define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT | SSL_CB_LOOP) +#define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT | SSL_CB_EXIT) +#define SSL_CB_HANDSHAKE_START 0x10 +#define SSL_CB_HANDSHAKE_DONE 0x20 + +/* Is the SSL_connection established? */ +#define SSL_get_state(a) SSL_state(a) +#define SSL_is_init_finished(a) (SSL_state(a) == SSL_ST_OK) +#define SSL_in_init(a) (SSL_state(a) & SSL_ST_INIT) +#define SSL_in_connect_init(a) (SSL_state(a) & SSL_ST_CONNECT) +#define SSL_in_accept_init(a) (SSL_state(a) & SSL_ST_ACCEPT) + +/* SSL_in_false_start returns one if |s| has a pending unfinished handshake that + * is in False Start. |SSL_write| may be called at this point without waiting + * for the peer, but |SSL_read| will require the handshake to be completed. */ +OPENSSL_EXPORT int SSL_in_false_start(const SSL *s); + +/* Obtain latest Finished message + * -- that we sent (SSL_get_finished) + * -- that we expected from peer (SSL_get_peer_finished). + * Returns length (0 == no Finished so far), copies up to 'count' bytes. */ +OPENSSL_EXPORT size_t SSL_get_finished(const SSL *s, void *buf, size_t count); +OPENSSL_EXPORT size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count); + +#define d2i_SSL_SESSION_bio(bp, s_id) \ + ASN1_d2i_bio_of(SSL_SESSION, SSL_SESSION_new, d2i_SSL_SESSION, bp, s_id) +#define i2d_SSL_SESSION_bio(bp, s_id) \ + ASN1_i2d_bio_of(SSL_SESSION, i2d_SSL_SESSION, bp, s_id) + +DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION) + +/* make_errors.go reserves error codes above 1000 for manually-assigned errors. + * This value must be kept in sync with reservedReasonCode in make_errors.h */ +#define SSL_AD_REASON_OFFSET \ + 1000 /* offset to get SSL_R_... value from SSL_AD_... */ + +/* These alert types are for SSLv3 and TLSv1 */ +#define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY +#define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE /* fatal */ +#define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC /* fatal */ +#define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED +#define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW +#define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE /* fatal */ +#define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE /* fatal */ +#define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE /* Not for TLS */ +#define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE +#define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE +#define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED +#define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED +#define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN +#define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER /* fatal */ +#define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA /* fatal */ +#define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED /* fatal */ +#define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR /* fatal */ +#define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR +#define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION /* fatal */ +#define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION /* fatal */ +#define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY /* fatal */ +#define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR /* fatal */ +#define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED +#define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION +#define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION +#define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE +#define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME +#define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE \ + TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE +#define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE +#define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */ +#define SSL_AD_INAPPROPRIATE_FALLBACK SSL3_AD_INAPPROPRIATE_FALLBACK /* fatal */ + +/* DTLSv1_get_timeout queries the next DTLS handshake timeout. If there is a + * timeout in progress, it sets |*out| to the time remaining and returns one. + * Otherwise, it returns zero. + * + * When the timeout expires, call |DTLSv1_handle_timeout| to handle the + * retransmit behavior. + * + * NOTE: This function must be queried again whenever the handshake state + * machine changes, including when |DTLSv1_handle_timeout| is called. */ +OPENSSL_EXPORT int DTLSv1_get_timeout(const SSL *ssl, struct timeval *out); + +/* DTLSv1_handle_timeout is called when a DTLS handshake timeout expires. If no + * timeout had expired, it returns 0. Otherwise, it retransmits the previous + * flight of handshake messages and returns 1. If too many timeouts had expired + * without progress or an error occurs, it returns -1. + * + * NOTE: The caller's external timer should be compatible with the one |ssl| + * queries within some fudge factor. Otherwise, the call will be a no-op, but + * |DTLSv1_get_timeout| will return an updated timeout. + * + * WARNING: This function breaks the usual return value convention. */ +OPENSSL_EXPORT int DTLSv1_handle_timeout(SSL *ssl); + +/* SSL_total_renegotiations returns the total number of renegotiation handshakes + * peformed by |ssl|. This includes the pending renegotiation, if any. */ +OPENSSL_EXPORT int SSL_total_renegotiations(const SSL *ssl); + +/* SSL_get0_certificate_types, for a client, sets |*out_types| to an array + * containing the client certificate types requested by a server. It returns the + * length of the array. */ +OPENSSL_EXPORT size_t SSL_get0_certificate_types(SSL *ssl, + const uint8_t **out_types); + +OPENSSL_EXPORT int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str); +OPENSSL_EXPORT int SSL_CTX_set_cipher_list_tls10(SSL_CTX *, const char *str); +OPENSSL_EXPORT int SSL_CTX_set_cipher_list_tls11(SSL_CTX *, const char *str); +OPENSSL_EXPORT int SSL_want(const SSL *s); + +OPENSSL_EXPORT int SSL_get_fd(const SSL *s); +OPENSSL_EXPORT int SSL_get_rfd(const SSL *s); +OPENSSL_EXPORT int SSL_get_wfd(const SSL *s); +OPENSSL_EXPORT const char *SSL_get_cipher_list(const SSL *s, int n); +OPENSSL_EXPORT int SSL_pending(const SSL *s); +OPENSSL_EXPORT int SSL_set_fd(SSL *s, int fd); +OPENSSL_EXPORT int SSL_set_rfd(SSL *s, int fd); +OPENSSL_EXPORT int SSL_set_wfd(SSL *s, int fd); +OPENSSL_EXPORT int SSL_set_cipher_list(SSL *s, const char *str); + +OPENSSL_EXPORT const char *SSL_state_string(const SSL *s); +OPENSSL_EXPORT const char *SSL_state_string_long(const SSL *s); + +OPENSSL_EXPORT int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses); +OPENSSL_EXPORT int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses); + +OPENSSL_EXPORT STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s); + +/* SSL_renegotiate_pending returns one if |ssl| is in the middle of a + * renegotiation. */ +OPENSSL_EXPORT int SSL_renegotiate_pending(SSL *ssl); + +OPENSSL_EXPORT const char *SSL_alert_type_string_long(int value); +OPENSSL_EXPORT const char *SSL_alert_type_string(int value); +OPENSSL_EXPORT const char *SSL_alert_desc_string_long(int value); +OPENSSL_EXPORT const char *SSL_alert_desc_string(int value); + +OPENSSL_EXPORT void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode); +OPENSSL_EXPORT int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx); +OPENSSL_EXPORT void SSL_set_quiet_shutdown(SSL *ssl, int mode); +OPENSSL_EXPORT int SSL_get_quiet_shutdown(const SSL *ssl); +OPENSSL_EXPORT void SSL_set_shutdown(SSL *ssl, int mode); +OPENSSL_EXPORT int SSL_get_shutdown(const SSL *ssl); +OPENSSL_EXPORT SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl); +OPENSSL_EXPORT SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx); +OPENSSL_EXPORT void SSL_set_info_callback(SSL *ssl, + void (*cb)(const SSL *ssl, int type, + int val)); +OPENSSL_EXPORT void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, + int type, int val); +OPENSSL_EXPORT int SSL_state(const SSL *ssl); + +/* SSL_CTX_get_max_cert_list returns the maximum length, in bytes, of a peer + * certificate chain accepted by |ctx|. */ +OPENSSL_EXPORT size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx); + +/* SSL_CTX_set_max_cert_list sets the maximum length, in bytes, of a peer + * certificate chain to |max_cert_list|. This affects how much memory may be + * consumed during the handshake. */ +OPENSSL_EXPORT void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, + size_t max_cert_list); + +/* SSL_get_max_cert_list returns the maximum length, in bytes, of a peer + * certificate chain accepted by |ssl|. */ +OPENSSL_EXPORT size_t SSL_get_max_cert_list(const SSL *ssl); + +/* SSL_set_max_cert_list sets the maximum length, in bytes, of a peer + * certificate chain to |max_cert_list|. This affects how much memory may be + * consumed during the handshake. */ +OPENSSL_EXPORT void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list); + +/* SSL_CTX_set_max_send_fragment sets the maximum length, in bytes, of records + * sent by |ctx|. Beyond this length, handshake messages and application data + * will be split into multiple records. */ +OPENSSL_EXPORT void SSL_CTX_set_max_send_fragment(SSL_CTX *ctx, + size_t max_send_fragment); + +/* SSL_set_max_send_fragment sets the maximum length, in bytes, of records + * sent by |ssl|. Beyond this length, handshake messages and application data + * will be split into multiple records. */ +OPENSSL_EXPORT void SSL_set_max_send_fragment(SSL *ssl, + size_t max_send_fragment); + +/* SSL_CTX_set_dos_protection_cb sets a callback that is called once the + * resumption decision for a ClientHello has been made. It can return 1 to + * allow the handshake to continue or zero to cause the handshake to abort. */ +OPENSSL_EXPORT void SSL_CTX_set_dos_protection_cb( + SSL_CTX *ctx, int (*cb)(const struct ssl_early_callback_ctx *)); + + +/* Deprecated functions. */ + +/* SSL_CIPHER_description writes a description of |cipher| into |buf| and + * returns |buf|. If |buf| is NULL, it returns a newly allocated string, to be + * freed with |OPENSSL_free|, or NULL on error. + * + * The description includes a trailing newline and has the form: + * AES128-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(128) Mac=SHA1 + * + * Consider |SSL_CIPHER_get_name| or |SSL_CIPHER_get_rfc_name| instead. */ +OPENSSL_EXPORT const char *SSL_CIPHER_description(const SSL_CIPHER *cipher, + char *buf, int len); + +/* SSL_CIPHER_get_version returns the string "TLSv1/SSLv3". */ +OPENSSL_EXPORT const char *SSL_CIPHER_get_version(const SSL_CIPHER *cipher); + +typedef void COMP_METHOD; + +/* SSL_COMP_get_compression_methods returns NULL. */ +OPENSSL_EXPORT COMP_METHOD *SSL_COMP_get_compression_methods(void); + +/* SSL_COMP_add_compression_method returns one. */ +OPENSSL_EXPORT int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm); + +/* SSL_COMP_get_name returns NULL. */ +OPENSSL_EXPORT const char *SSL_COMP_get_name(const COMP_METHOD *comp); + +/* SSLv23_method calls |TLS_method|. */ +OPENSSL_EXPORT const SSL_METHOD *SSLv23_method(void); + +/* Version-specific methods behave exactly like |TLS_method| and |DTLS_method| + * except they also call |SSL_CTX_set_min_version| and |SSL_CTX_set_max_version| + * to lock connections to that protocol version. */ +OPENSSL_EXPORT const SSL_METHOD *SSLv3_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_1_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_2_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLSv1_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLSv1_2_method(void); + +/* Client- and server-specific methods call their corresponding generic + * methods. */ +OPENSSL_EXPORT const SSL_METHOD *SSLv23_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *SSLv23_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *SSLv3_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *SSLv3_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_1_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_1_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_2_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *TLSv1_2_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLS_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLS_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLSv1_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLSv1_client_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLSv1_2_server_method(void); +OPENSSL_EXPORT const SSL_METHOD *DTLSv1_2_client_method(void); + +/* SSL_clear resets |ssl| to allow another connection and returns one on success + * or zero on failure. It returns most configuration state but releases memory + * associated with the current connection. + * + * Free |ssl| and create a new one instead. */ +OPENSSL_EXPORT int SSL_clear(SSL *ssl); + +/* SSL_CTX_set_tmp_rsa_callback does nothing. */ +OPENSSL_EXPORT void SSL_CTX_set_tmp_rsa_callback( + SSL_CTX *ctx, RSA *(*cb)(SSL *ssl, int is_export, int keylength)); + +/* SSL_set_tmp_rsa_callback does nothing. */ +OPENSSL_EXPORT void SSL_set_tmp_rsa_callback(SSL *ssl, + RSA *(*cb)(SSL *ssl, int is_export, + int keylength)); + +/* SSL_CTX_sess_connect returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_connect(const SSL_CTX *ctx); + +/* SSL_CTX_sess_connect_good returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_connect_good(const SSL_CTX *ctx); + +/* SSL_CTX_sess_connect_renegotiate returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx); + +/* SSL_CTX_sess_accept returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_accept(const SSL_CTX *ctx); + +/* SSL_CTX_sess_accept_renegotiate returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx); + +/* SSL_CTX_sess_accept_good returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_accept_good(const SSL_CTX *ctx); + +/* SSL_CTX_sess_hits returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_hits(const SSL_CTX *ctx); + +/* SSL_CTX_sess_cb_hits returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx); + +/* SSL_CTX_sess_misses returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_misses(const SSL_CTX *ctx); + +/* SSL_CTX_sess_timeouts returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_timeouts(const SSL_CTX *ctx); + +/* SSL_CTX_sess_cache_full returns zero. */ +OPENSSL_EXPORT int SSL_CTX_sess_cache_full(const SSL_CTX *ctx); + +/* SSL_cutthrough_complete calls |SSL_in_false_start|. */ +OPENSSL_EXPORT int SSL_cutthrough_complete(const SSL *s); + +/* SSL_num_renegotiations calls |SSL_total_renegotiations|. */ +OPENSSL_EXPORT int SSL_num_renegotiations(const SSL *ssl); + +/* SSL_CTX_need_tmp_RSA returns zero. */ +OPENSSL_EXPORT int SSL_CTX_need_tmp_RSA(const SSL_CTX *ctx); + +/* SSL_need_tmp_RSA returns zero. */ +OPENSSL_EXPORT int SSL_need_tmp_RSA(const SSL *ssl); + +/* SSL_CTX_set_tmp_rsa returns one. */ +OPENSSL_EXPORT int SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, const RSA *rsa); + +/* SSL_set_tmp_rsa returns one. */ +OPENSSL_EXPORT int SSL_set_tmp_rsa(SSL *ssl, const RSA *rsa); + +/* SSL_CTX_get_read_ahead returns zero. */ +OPENSSL_EXPORT int SSL_CTX_get_read_ahead(const SSL_CTX *ctx); + +/* SSL_CTX_set_read_ahead does nothing. */ +OPENSSL_EXPORT void SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes); + +/* SSL_get_read_ahead returns zero. */ +OPENSSL_EXPORT int SSL_get_read_ahead(const SSL *s); + +/* SSL_set_read_ahead does nothing. */ +OPENSSL_EXPORT void SSL_set_read_ahead(SSL *s, int yes); + +/* SSL_renegotiate put an error on the error queue and returns zero. */ +OPENSSL_EXPORT int SSL_renegotiate(SSL *ssl); + +/* SSL_set_state does nothing. */ +OPENSSL_EXPORT void SSL_set_state(SSL *ssl, int state); + +/* SSL_MODE_HANDSHAKE_CUTTHROUGH is the same as SSL_MODE_ENABLE_FALSE_START. */ +#define SSL_MODE_HANDSHAKE_CUTTHROUGH SSL_MODE_ENABLE_FALSE_START + +/* i2d_SSL_SESSION serializes |in| to the bytes pointed to by |*pp|. On success, + * it returns the number of bytes written and advances |*pp| by that many bytes. + * On failure, it returns -1. If |pp| is NULL, no bytes are written and only the + * length is returned. + * + * Use |SSL_SESSION_to_bytes| instead. */ +OPENSSL_EXPORT int i2d_SSL_SESSION(SSL_SESSION *in, uint8_t **pp); + +/* d2i_SSL_SESSION parses a serialized session from the |length| bytes pointed + * to by |*pp|. It returns the new |SSL_SESSION| and advances |*pp| by the + * number of bytes consumed on success and NULL on failure. The caller takes + * ownership of the new session and must call |SSL_SESSION_free| when done. + * + * If |a| is non-NULL, |*a| is released and set the new |SSL_SESSION|. + * + * Use |SSL_SESSION_from_bytes| instead. */ +OPENSSL_EXPORT SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const uint8_t **pp, + long length); + +/* ERR_load_SSL_strings does nothing. */ +OPENSSL_EXPORT void ERR_load_SSL_strings(void); + +/* SSL_load_error_strings does nothing. */ +OPENSSL_EXPORT void SSL_load_error_strings(void); + +/* SSL_CTX_set_tlsext_use_srtp calls |SSL_CTX_set_srtp_profiles|. It returns + * zero on success and one on failure. + * + * WARNING: this function is dangerous because it breaks the usual return value + * convention. Use |SSL_CTX_set_srtp_profiles| instead. */ +OPENSSL_EXPORT int SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, + const char *profiles); + +/* SSL_set_tlsext_use_srtp calls |SSL_set_srtp_profiles|. It returns zero on + * success and one on failure. + * + * WARNING: this function is dangerous because it breaks the usual return value + * convention. Use |SSL_set_srtp_profiles| instead. */ +OPENSSL_EXPORT int SSL_set_tlsext_use_srtp(SSL *ssl, const char *profiles); + +/* SSL_get_current_compression returns NULL. */ +OPENSSL_EXPORT const COMP_METHOD *SSL_get_current_compression(SSL *s); + +/* SSL_get_current_expansion returns NULL. */ +OPENSSL_EXPORT const COMP_METHOD *SSL_get_current_expansion(SSL *s); + +#define SSL_set_app_data(s, arg) (SSL_set_ex_data(s, 0, (char *)arg)) +#define SSL_get_app_data(s) (SSL_get_ex_data(s, 0)) +#define SSL_SESSION_set_app_data(s, a) \ + (SSL_SESSION_set_ex_data(s, 0, (char *)a)) +#define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s, 0)) +#define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx, 0)) +#define SSL_CTX_set_app_data(ctx, arg) \ + (SSL_CTX_set_ex_data(ctx, 0, (char *)arg)) + +#define OpenSSL_add_ssl_algorithms() SSL_library_init() +#define SSLeay_add_ssl_algorithms() SSL_library_init() + +#define SSL_get_cipher(ssl) SSL_CIPHER_get_name(SSL_get_current_cipher(ssl)) +#define SSL_get_cipher_bits(ssl, out_alg_bits) \ + SSL_CIPHER_get_bits(SSL_get_current_cipher(ssl), out_alg_bits) +#define SSL_get_cipher_version(ssl) \ + SSL_CIPHER_get_version(SSL_get_current_cipher(ssl)) +#define SSL_get_cipher_name(ssl) \ + SSL_CIPHER_get_name(SSL_get_current_cipher(ssl)) +#define SSL_get_time(session) SSL_SESSION_get_time(session) +#define SSL_set_time(session, time) SSL_SESSION_set_time((session), (time)) +#define SSL_get_timeout(session) SSL_SESSION_get_timeout(session) +#define SSL_set_timeout(session, timeout) \ + SSL_SESSION_set_timeout((session), (timeout)) + typedef struct ssl_comp_st SSL_COMP; struct ssl_comp_st { @@ -832,7 +2845,165 @@ struct ssl_comp_st { }; DECLARE_STACK_OF(SSL_COMP) -DECLARE_LHASH_OF(SSL_SESSION) + +/* The following flags toggle individual protocol versions. This is deprecated. + * Use |SSL_CTX_set_min_version| and |SSL_CTX_set_max_version| instead. */ +#define SSL_OP_NO_SSLv3 0x02000000L +#define SSL_OP_NO_TLSv1 0x04000000L +#define SSL_OP_NO_TLSv1_2 0x08000000L +#define SSL_OP_NO_TLSv1_1 0x10000000L +#define SSL_OP_NO_DTLSv1 SSL_OP_NO_TLSv1 +#define SSL_OP_NO_DTLSv1_2 SSL_OP_NO_TLSv1_2 + +/* The following flags do nothing and are included only to make it easier to + * compile code with BoringSSL. */ +#define SSL_MODE_AUTO_RETRY 0 +#define SSL_MODE_RELEASE_BUFFERS 0 +#define SSL_MODE_SEND_CLIENTHELLO_TIME 0 +#define SSL_MODE_SEND_SERVERHELLO_TIME 0 +#define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION 0 +#define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS 0 +#define SSL_OP_EPHEMERAL_RSA 0 +#define SSL_OP_MICROSOFT_SESS_ID_BUG 0 +#define SSL_OP_MSIE_SSLV2_RSA_PADDING 0 +#define SSL_OP_NETSCAPE_CA_DN_BUG 0 +#define SSL_OP_NETSCAPE_CHALLENGE_BUG 0 +#define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG 0 +#define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG 0 +#define SSL_OP_NO_COMPRESSION 0 +#define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION 0 +#define SSL_OP_NO_SSLv2 0 +#define SSL_OP_PKCS1_CHECK_1 0 +#define SSL_OP_PKCS1_CHECK_2 0 +#define SSL_OP_SINGLE_DH_USE 0 +#define SSL_OP_SINGLE_ECDH_USE 0 +#define SSL_OP_SSLEAY_080_CLIENT_DH_BUG 0 +#define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG 0 +#define SSL_OP_TLS_BLOCK_PADDING_BUG 0 +#define SSL_OP_TLS_ROLLBACK_BUG 0 +#define SSL_VERIFY_CLIENT_ONCE 0 + +/* SSL_cache_hit calls |SSL_session_resumed|. */ +OPENSSL_EXPORT int SSL_cache_hit(SSL *ssl); + +/* SSL_get_default_timeout returns |SSL_DEFAULT_SESSION_TIMEOUT|. */ +OPENSSL_EXPORT long SSL_get_default_timeout(const SSL *ssl); + +/* SSL_get_version returns a string describing the TLS version used by |ssl|. + * For example, "TLSv1.2" or "SSLv3". */ +OPENSSL_EXPORT const char *SSL_get_version(const SSL *ssl); + + +/* Private structures. + * + * This structures are exposed for historical reasons, but access to them is + * deprecated. */ + +struct ssl_cipher_st { + /* name is the OpenSSL name for the cipher. */ + const char *name; + /* id is the cipher suite value bitwise OR-d with 0x03000000. */ + uint32_t id; + + /* The following are internal fields. See ssl/internal.h for their values. */ + + uint32_t algorithm_mkey; + uint32_t algorithm_auth; + uint32_t algorithm_enc; + uint32_t algorithm_mac; + uint32_t algorithm_ssl; + uint32_t algo_strength; + uint32_t algorithm_prf; + + /* strength_bits is the strength of the cipher in bits. */ + int strength_bits; + /* alg_bits is the number of bits of key material used by the algorithm. */ + int alg_bits; +}; + +struct ssl_session_st { + int ssl_version; /* what ssl version session info is being kept in here? */ + + int master_key_length; + uint8_t master_key[SSL_MAX_MASTER_KEY_LENGTH]; + /* session_id - valid? */ + unsigned int session_id_length; + uint8_t session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; + /* this is used to determine whether the session is being reused in + * the appropriate context. It is up to the application to set this, + * via SSL_new */ + unsigned int sid_ctx_length; + uint8_t sid_ctx[SSL_MAX_SID_CTX_LENGTH]; + + char *psk_identity; + /* Used to indicate that session resumption is not allowed. Applications can + * also set this bit for a new session via not_resumable_session_cb to + * disable session caching and tickets. */ + int not_resumable; + + /* peer is the peer's certificate. */ + X509 *peer; + + /* cert_chain is the certificate chain sent by the peer. NOTE: for historical + * reasons, when a client (so the peer is a server), the chain includes + * |peer|, but when a server it does not. */ + STACK_OF(X509) *cert_chain; + + /* when app_verify_callback accepts a session where the peer's certificate is + * not ok, we must remember the error for session reuse: */ + long verify_result; /* only for servers */ + + CRYPTO_refcount_t references; + long timeout; + long time; + + const SSL_CIPHER *cipher; + + /* key_exchange_info contains an indication of the size of the asymmetric + * primitive used in the handshake that created this session. In the event + * that two asymmetric operations are used, this value applies to the one + * that controls the confidentiality of the connection. Its interpretation + * depends on the primitive that was used; as specified by the cipher suite: + * DHE: the size, in bits, of the multiplicative group. + * RSA: the size, in bits, of the modulus. + * ECDHE: the TLS id for the curve. + * + * A zero indicates that the value is unknown. */ + uint32_t key_exchange_info; + + CRYPTO_EX_DATA ex_data; /* application specific data */ + + /* These are used to make removal of session-ids more efficient and to + * implement a maximum cache size. */ + SSL_SESSION *prev, *next; + char *tlsext_hostname; + /* RFC4507 info */ + uint8_t *tlsext_tick; /* Session ticket */ + size_t tlsext_ticklen; /* Session ticket length */ + uint32_t tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ + + size_t tlsext_signed_cert_timestamp_list_length; + uint8_t *tlsext_signed_cert_timestamp_list; /* Server's list. */ + + /* The OCSP response that came with the session. */ + size_t ocsp_response_length; + uint8_t *ocsp_response; + + char peer_sha256_valid; /* Non-zero if peer_sha256 is valid */ + uint8_t + peer_sha256[SHA256_DIGEST_LENGTH]; /* SHA256 of peer certificate */ + + /* original_handshake_hash contains the handshake hash (either SHA-1+MD5 or + * SHA-2, depending on TLS version) for the original, full handshake that + * created a session. This is used by Channel IDs during resumption. */ + uint8_t original_handshake_hash[EVP_MAX_MD_SIZE]; + unsigned int original_handshake_hash_len; + + /* extended_master_secret is true if the master secret in this session was + * generated using EMS and thus isn't vulnerable to the Triple Handshake + * attack. */ + char extended_master_secret; +}; /* ssl_cipher_preference_list_st contains a list of SSL_CIPHERs with * equal-preference groups. For TLS clients, the groups are moot because the @@ -887,6 +3058,17 @@ struct ssl_ctx_st { struct ssl_cipher_preference_list_st *cipher_list; /* same as above but sorted for lookup */ STACK_OF(SSL_CIPHER) *cipher_list_by_id; + + /* cipher_list_tls10 is the list of ciphers when TLS 1.0 or greater is in + * use. This only applies to server connections as, for clients, the version + * number is known at connect time and so the cipher list can be set then. If + * |cipher_list_tls11| is non-NULL then this applies only to TLS 1.0 + * connections. + * + * TODO(agl): this exists to assist in the death of SSLv3. It can hopefully + * be removed after that. */ + struct ssl_cipher_preference_list_st *cipher_list_tls10; + /* cipher_list_tls11 is the list of ciphers when TLS 1.1 or greater is in * use. This only applies to server connections as, for clients, the version * number is known at connect time and so the cipher list can be set then. */ @@ -930,10 +3112,8 @@ struct ssl_ctx_st { CRYPTO_refcount_t references; /* if defined, these override the X509_verify_cert() calls */ - int (*app_verify_callback)(X509_STORE_CTX *, void *); + int (*app_verify_callback)(X509_STORE_CTX *store_ctx, void *arg); void *app_verify_arg; - /* before OpenSSL 0.9.7, 'app_verify_arg' was ignored ('app_verify_callback' - * was called with just one argument) */ /* Default password callback. */ pem_password_cb *default_passwd_callback; @@ -945,12 +3125,14 @@ struct ssl_ctx_st { int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey); /* get channel id callback */ - void (*channel_id_cb)(SSL *ssl, EVP_PKEY **pkey); + void (*channel_id_cb)(SSL *ssl, EVP_PKEY **out_pkey); CRYPTO_EX_DATA ex_data; - STACK_OF(X509) *extra_certs; - + /* custom_*_extensions stores any callback sets for custom extensions. Note + * that these pointers will be NULL if the stack would otherwise be empty. */ + STACK_OF(SSL_CUSTOM_EXTENSION) *client_custom_extensions; + STACK_OF(SSL_CUSTOM_EXTENSION) *server_custom_extensions; /* Default values used when no per-SSL value is defined follow */ @@ -1011,7 +3193,7 @@ struct ssl_ctx_st { int (*tlsext_servername_callback)(SSL *, int *, void *); void *tlsext_servername_arg; /* RFC 4507 session ticket keys */ - uint8_t tlsext_tick_key_name[16]; + uint8_t tlsext_tick_key_name[SSL_TICKET_KEY_NAME_LEN]; uint8_t tlsext_tick_hmac_key[16]; uint8_t tlsext_tick_aes_key[16]; /* Callback to support customisation of ticket key setting */ @@ -1040,13 +3222,13 @@ struct ssl_ctx_st { /* For a server, this contains a callback function by which the set of * advertised protocols can be provided. */ - int (*next_protos_advertised_cb)(SSL *s, const uint8_t **buf, - unsigned int *len, void *arg); + int (*next_protos_advertised_cb)(SSL *ssl, const uint8_t **out, + unsigned *out_len, void *arg); void *next_protos_advertised_cb_arg; /* For a client, this contains a callback function that selects the * next protocol from the list provided by the server. */ - int (*next_proto_select_cb)(SSL *s, uint8_t **out, uint8_t *outlen, - const uint8_t *in, unsigned int inlen, void *arg); + int (*next_proto_select_cb)(SSL *ssl, uint8_t **out, uint8_t *out_len, + const uint8_t *in, unsigned in_len, void *arg); void *next_proto_select_cb_arg; /* ALPN information @@ -1060,8 +3242,8 @@ struct ssl_ctx_st { * in: points to the client's list of supported protocols in * wire-format. * inlen: the length of |in|. */ - int (*alpn_select_cb)(SSL *s, const uint8_t **out, uint8_t *outlen, - const uint8_t *in, unsigned int inlen, void *arg); + int (*alpn_select_cb)(SSL *s, const uint8_t **out, uint8_t *out_len, + const uint8_t *in, unsigned in_len, void *arg); void *alpn_select_cb_arg; /* For a client, this contains the list of supported protocols in wire @@ -1073,27 +3255,29 @@ struct ssl_ctx_st { STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; /* EC extension values inherited by SSL structure */ - size_t tlsext_ecpointformatlist_length; - uint8_t *tlsext_ecpointformatlist; size_t tlsext_ellipticcurvelist_length; uint16_t *tlsext_ellipticcurvelist; /* If true, a client will advertise the Channel ID extension and a server * will echo it. */ char tlsext_channel_id_enabled; - /* tlsext_channel_id_enabled_new is a hack to support both old and new - * ChannelID signatures. It indicates that a client should advertise the new - * ChannelID extension number. */ - char tlsext_channel_id_enabled_new; /* The client's Channel ID private key. */ EVP_PKEY *tlsext_channel_id_private; /* If true, a client will request certificate timestamps. */ char signed_cert_timestamps_enabled; + /* Signed certificate timestamp list to be sent to the client, if requested */ + uint8_t *signed_cert_timestamp_list; + size_t signed_cert_timestamp_list_length; + /* If true, a client will request a stapled OCSP response. */ char ocsp_stapling_enabled; + /* OCSP response to be sent to the client, if requested. */ + uint8_t *ocsp_response; + size_t ocsp_response_length; + /* If not NULL, session key material will be logged to this BIO for debugging * purposes. The format matches NSS's and is readable by Wireshark. */ BIO *keylog_bio; @@ -1103,193 +3287,6 @@ struct ssl_ctx_st { void (*current_time_cb)(const SSL *ssl, struct timeval *out_clock); }; -OPENSSL_EXPORT LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx); - -/* SSL_CTX_sess_number returns the number of sessions in |ctx|'s internal - * session cache. */ -OPENSSL_EXPORT size_t SSL_CTX_sess_number(const SSL_CTX *ctx); - -OPENSSL_EXPORT void SSL_CTX_sess_set_new_cb( - SSL_CTX *ctx, int (*new_session_cb)(SSL *ssl, SSL_SESSION *sess)); -OPENSSL_EXPORT int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(SSL *ssl, - SSL_SESSION *sess); -OPENSSL_EXPORT void SSL_CTX_sess_set_remove_cb( - SSL_CTX *ctx, - void (*remove_session_cb)(SSL_CTX *ctx, SSL_SESSION *sess)); -OPENSSL_EXPORT void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))( - SSL_CTX *ctx, SSL_SESSION *sess); -OPENSSL_EXPORT void SSL_CTX_sess_set_get_cb( - SSL_CTX *ctx, - SSL_SESSION *(*get_session_cb)(SSL *ssl, uint8_t *data, int len, - int *copy)); -OPENSSL_EXPORT SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))( - SSL *ssl, uint8_t *data, int len, int *copy); -/* SSL_magic_pending_session_ptr returns a magic SSL_SESSION* which indicates - * that the session isn't currently unavailable. SSL_get_error will then return - * SSL_ERROR_PENDING_SESSION and the handshake can be retried later when the - * lookup has completed. */ -OPENSSL_EXPORT SSL_SESSION *SSL_magic_pending_session_ptr(void); -OPENSSL_EXPORT void SSL_CTX_set_info_callback(SSL_CTX *ctx, - void (*cb)(const SSL *ssl, - int type, int val)); -OPENSSL_EXPORT void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl, - int type, - int val); -OPENSSL_EXPORT void SSL_CTX_set_client_cert_cb( - SSL_CTX *ctx, - int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey)); -OPENSSL_EXPORT int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, - X509 **x509, - EVP_PKEY **pkey); -OPENSSL_EXPORT void SSL_CTX_set_channel_id_cb( - SSL_CTX *ctx, void (*channel_id_cb)(SSL *ssl, EVP_PKEY **pkey)); -OPENSSL_EXPORT void (*SSL_CTX_get_channel_id_cb(SSL_CTX *ctx))(SSL *ssl, - EVP_PKEY **pkey); - -/* SSL_enable_signed_cert_timestamps causes |ssl| (which must be the client end - * of a connection) to request SCTs from the server. See - * https://tools.ietf.org/html/rfc6962. It returns one. */ -OPENSSL_EXPORT int SSL_enable_signed_cert_timestamps(SSL *ssl); - -/* SSL_CTX_enable_signed_cert_timestamps enables SCT requests on all client SSL - * objects created from |ctx|. */ -OPENSSL_EXPORT void SSL_CTX_enable_signed_cert_timestamps(SSL_CTX *ctx); - -/* SSL_enable_ocsp_stapling causes |ssl| (which must be the client end of a - * connection) to request a stapled OCSP response from the server. It returns - * one. */ -OPENSSL_EXPORT int SSL_enable_ocsp_stapling(SSL *ssl); - -/* SSL_CTX_enable_ocsp_stapling enables OCSP stapling on all client SSL objects - * created from |ctx|. */ -OPENSSL_EXPORT void SSL_CTX_enable_ocsp_stapling(SSL_CTX *ctx); - -/* SSL_get0_signed_cert_timestamp_list sets |*out| and |*out_len| to point to - * |*out_len| bytes of SCT information from the server. This is only valid if - * |ssl| is a client. The SCT information is a SignedCertificateTimestampList - * (including the two leading length bytes). - * See https://tools.ietf.org/html/rfc6962#section-3.3 - * If no SCT was received then |*out_len| will be zero on return. - * - * WARNING: the returned data is not guaranteed to be well formed. */ -OPENSSL_EXPORT void SSL_get0_signed_cert_timestamp_list(const SSL *ssl, - const uint8_t **out, - size_t *out_len); - -/* SSL_get0_ocsp_response sets |*out| and |*out_len| to point to |*out_len| - * bytes of an OCSP response from the server. This is the DER encoding of an - * OCSPResponse type as defined in RFC 2560. - * - * WARNING: the returned data is not guaranteed to be well formed. */ -OPENSSL_EXPORT void SSL_get0_ocsp_response(const SSL *ssl, const uint8_t **out, - size_t *out_len); - -OPENSSL_EXPORT void SSL_CTX_set_next_protos_advertised_cb( - SSL_CTX *s, - int (*cb)(SSL *ssl, const uint8_t **out, unsigned int *outlen, void *arg), - void *arg); -OPENSSL_EXPORT void SSL_CTX_set_next_proto_select_cb( - SSL_CTX *s, int (*cb)(SSL *ssl, uint8_t **out, uint8_t *outlen, - const uint8_t *in, unsigned int inlen, void *arg), - void *arg); -OPENSSL_EXPORT void SSL_get0_next_proto_negotiated(const SSL *s, - const uint8_t **data, - unsigned *len); - -OPENSSL_EXPORT int SSL_select_next_proto(uint8_t **out, uint8_t *outlen, - const uint8_t *in, unsigned int inlen, - const uint8_t *client, - unsigned int client_len); - -#define OPENSSL_NPN_UNSUPPORTED 0 -#define OPENSSL_NPN_NEGOTIATED 1 -#define OPENSSL_NPN_NO_OVERLAP 2 - -/* SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|. - * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit - * length-prefixed strings). It returns zero on success and one on failure. - * - * WARNING: this function is dangerous because it breaks the usual return value - * convention. */ -OPENSSL_EXPORT int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const uint8_t *protos, - unsigned protos_len); - -/* SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|. - * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit - * length-prefixed strings). It returns zero on success and one on failure. - * - * WARNING: this function is dangerous because it breaks the usual return value - * convention. */ -OPENSSL_EXPORT int SSL_set_alpn_protos(SSL *ssl, const uint8_t *protos, - unsigned protos_len); - -OPENSSL_EXPORT void SSL_CTX_set_alpn_select_cb( - SSL_CTX *ctx, int (*cb)(SSL *ssl, const uint8_t **out, uint8_t *outlen, - const uint8_t *in, unsigned int inlen, void *arg), - void *arg); -OPENSSL_EXPORT void SSL_get0_alpn_selected(const SSL *ssl, const uint8_t **data, - unsigned *len); - -/* SSL_enable_fastradio_padding controls whether fastradio padding is enabled - * on |ssl|. If it is, ClientHello messages are padded to 1024 bytes. This - * causes 3G radios to switch to DCH mode (high data rate). */ -OPENSSL_EXPORT void SSL_enable_fastradio_padding(SSL *ssl, char on_off); - -/* SSL_set_reject_peer_renegotiations controls whether renegotiation attempts by - * the peer are rejected. It may be set at any point in a connection's lifetime - * to control future renegotiations programmatically. By default, renegotiations - * are rejected. (Renegotiations requested by a client are always rejected.) */ -OPENSSL_EXPORT void SSL_set_reject_peer_renegotiations(SSL *ssl, int reject); - -/* the maximum length of the buffer given to callbacks containing the resulting - * identity/psk */ -#define PSK_MAX_IDENTITY_LEN 128 -#define PSK_MAX_PSK_LEN 256 -OPENSSL_EXPORT void SSL_CTX_set_psk_client_callback( - SSL_CTX *ctx, - unsigned int (*psk_client_callback)( - SSL *ssl, const char *hint, char *identity, - unsigned int max_identity_len, uint8_t *psk, unsigned int max_psk_len)); -OPENSSL_EXPORT void SSL_set_psk_client_callback( - SSL *ssl, unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, - char *identity, - unsigned int max_identity_len, - uint8_t *psk, - unsigned int max_psk_len)); -OPENSSL_EXPORT void SSL_CTX_set_psk_server_callback( - SSL_CTX *ctx, - unsigned int (*psk_server_callback)(SSL *ssl, const char *identity, - uint8_t *psk, - unsigned int max_psk_len)); -OPENSSL_EXPORT void SSL_set_psk_server_callback( - SSL *ssl, - unsigned int (*psk_server_callback)(SSL *ssl, const char *identity, - uint8_t *psk, - unsigned int max_psk_len)); -OPENSSL_EXPORT int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, - const char *identity_hint); -OPENSSL_EXPORT int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint); -OPENSSL_EXPORT const char *SSL_get_psk_identity_hint(const SSL *s); -OPENSSL_EXPORT const char *SSL_get_psk_identity(const SSL *s); - -#define SSL_NOTHING 1 -#define SSL_WRITING 2 -#define SSL_READING 3 -#define SSL_X509_LOOKUP 4 -#define SSL_CHANNEL_ID_LOOKUP 5 -#define SSL_PENDING_SESSION 7 -#define SSL_CERTIFICATE_SELECTION_PENDING 8 - -/* These will only be used when doing non-blocking IO */ -#define SSL_want_nothing(s) (SSL_want(s) == SSL_NOTHING) -#define SSL_want_read(s) (SSL_want(s) == SSL_READING) -#define SSL_want_write(s) (SSL_want(s) == SSL_WRITING) -#define SSL_want_x509_lookup(s) (SSL_want(s) == SSL_X509_LOOKUP) -#define SSL_want_channel_id_lookup(s) (SSL_want(s) == SSL_CHANNEL_ID_LOOKUP) -#define SSL_want_session(s) (SSL_want(s) == SSL_PENDING_SESSION) -#define SSL_want_certificate(s) \ - (SSL_want(s) == SSL_CERTIFICATE_SELECTION_PENDING) - struct ssl_st { /* version is the protocol version. */ int version; @@ -1345,7 +3342,6 @@ struct ssl_st { int shutdown; /* we have shut things down, 0x01 sent, 0x02 * for received */ int state; /* where we are */ - int rstate; /* where we are when reading */ BUF_MEM *init_buf; /* buffer used during init */ uint8_t *init_msg; /* pointer to handshake message body, set by @@ -1353,10 +3349,6 @@ struct ssl_st { int init_num; /* amount read/written */ int init_off; /* amount read/written */ - /* used internally to point at a raw packet */ - uint8_t *packet; - unsigned int packet_length; - struct ssl3_state_st *s3; /* SSLv3 variables */ struct dtls1_state_st *d1; /* DTLSv1 variables */ @@ -1429,13 +3421,8 @@ struct ssl_st { * SSLv3/TLS rollback check */ uint16_t max_send_fragment; char *tlsext_hostname; - /* should_ack_sni is true if the SNI extension should be acked. This is - * only used by a server. */ - char should_ack_sni; /* RFC4507 session ticket expected to be received or sent */ int tlsext_ticket_expected; - size_t tlsext_ecpointformatlist_length; - uint8_t *tlsext_ecpointformatlist; /* our list */ size_t tlsext_ellipticcurvelist_length; uint16_t *tlsext_ellipticcurvelist; /* our list */ @@ -1467,9 +3454,8 @@ struct ssl_st { /* Enable signed certificate time stamps. Currently client only. */ char signed_cert_timestamps_enabled; - /* Enable OCSP stapling. Currently client only. - * TODO(davidben): Add a server-side implementation when it becomes - * necesary. */ + /* ocsp_stapling_enabled is only used by client connections and indicates + * whether OCSP stapling will be requested. */ char ocsp_stapling_enabled; /* For a client, this contains the list of supported protocols in wire @@ -1477,11 +3463,6 @@ struct ssl_st { uint8_t *alpn_client_proto_list; unsigned alpn_client_proto_list_len; - /* fastradio_padding, if true, causes ClientHellos to be padded to 1024 - * bytes. This ensures that the cellular radio is fast forwarded to DCH (high - * data rate) state in 3G networks. */ - char fastradio_padding; - /* accept_peer_renegotiations, if one, accepts renegotiation attempts from the * peer. Otherwise, they will be rejected with a fatal error. */ char accept_peer_renegotiations; @@ -1493,950 +3474,6 @@ struct ssl_st { EVP_MD_CTX *read_hash; }; -/* compatibility */ -#define SSL_set_app_data(s, arg) (SSL_set_ex_data(s, 0, (char *)arg)) -#define SSL_get_app_data(s) (SSL_get_ex_data(s, 0)) -#define SSL_SESSION_set_app_data(s, a) \ - (SSL_SESSION_set_ex_data(s, 0, (char *)a)) -#define SSL_SESSION_get_app_data(s) (SSL_SESSION_get_ex_data(s, 0)) -#define SSL_CTX_get_app_data(ctx) (SSL_CTX_get_ex_data(ctx, 0)) -#define SSL_CTX_set_app_data(ctx, arg) \ - (SSL_CTX_set_ex_data(ctx, 0, (char *)arg)) - -/* The following are the possible values for ssl->state are are used to - * indicate where we are up to in the SSL connection establishment. The macros - * that follow are about the only things you should need to use and even then, - * only when using non-blocking IO. It can also be useful to work out where you - * were when the connection failed */ - -#define SSL_ST_CONNECT 0x1000 -#define SSL_ST_ACCEPT 0x2000 -#define SSL_ST_MASK 0x0FFF -#define SSL_ST_INIT (SSL_ST_CONNECT | SSL_ST_ACCEPT) -#define SSL_ST_OK 0x03 -#define SSL_ST_RENEGOTIATE (0x04 | SSL_ST_INIT) - -#define SSL_CB_LOOP 0x01 -#define SSL_CB_EXIT 0x02 -#define SSL_CB_READ 0x04 -#define SSL_CB_WRITE 0x08 -#define SSL_CB_ALERT 0x4000 /* used in callback */ -#define SSL_CB_READ_ALERT (SSL_CB_ALERT | SSL_CB_READ) -#define SSL_CB_WRITE_ALERT (SSL_CB_ALERT | SSL_CB_WRITE) -#define SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT | SSL_CB_LOOP) -#define SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT | SSL_CB_EXIT) -#define SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT | SSL_CB_LOOP) -#define SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT | SSL_CB_EXIT) -#define SSL_CB_HANDSHAKE_START 0x10 -#define SSL_CB_HANDSHAKE_DONE 0x20 - -/* Is the SSL_connection established? */ -#define SSL_get_state(a) SSL_state(a) -#define SSL_is_init_finished(a) (SSL_state(a) == SSL_ST_OK) -#define SSL_in_init(a) (SSL_state(a) & SSL_ST_INIT) -#define SSL_in_connect_init(a) (SSL_state(a) & SSL_ST_CONNECT) -#define SSL_in_accept_init(a) (SSL_state(a) & SSL_ST_ACCEPT) - -/* SSL_in_false_start returns one if |s| has a pending unfinished handshake that - * is in False Start. |SSL_write| may be called at this point without waiting - * for the peer, but |SSL_read| will require the handshake to be completed. */ -OPENSSL_EXPORT int SSL_in_false_start(const SSL *s); - -/* The following 2 states are kept in ssl->rstate when reads fail, - * you should not need these */ -#define SSL_ST_READ_HEADER 0xF0 -#define SSL_ST_READ_BODY 0xF1 -#define SSL_ST_READ_DONE 0xF2 - -/* Obtain latest Finished message - * -- that we sent (SSL_get_finished) - * -- that we expected from peer (SSL_get_peer_finished). - * Returns length (0 == no Finished so far), copies up to 'count' bytes. */ -OPENSSL_EXPORT size_t SSL_get_finished(const SSL *s, void *buf, size_t count); -OPENSSL_EXPORT size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count); - -/* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 3 options - * are 'ored' with SSL_VERIFY_PEER if they are desired */ -#define SSL_VERIFY_NONE 0x00 -#define SSL_VERIFY_PEER 0x01 -#define SSL_VERIFY_FAIL_IF_NO_PEER_CERT 0x02 -/* SSL_VERIFY_CLIENT_ONCE does nothing. */ -#define SSL_VERIFY_CLIENT_ONCE 0x04 -#define SSL_VERIFY_PEER_IF_NO_OBC 0x08 - -#define OpenSSL_add_ssl_algorithms() SSL_library_init() -#define SSLeay_add_ssl_algorithms() SSL_library_init() - -/* For backward compatibility */ -#define SSL_get_cipher(s) SSL_CIPHER_get_name(SSL_get_current_cipher(s)) -#define SSL_get_cipher_bits(s, np) \ - SSL_CIPHER_get_bits(SSL_get_current_cipher(s), np) -#define SSL_get_cipher_version(s) \ - SSL_CIPHER_get_version(SSL_get_current_cipher(s)) -#define SSL_get_cipher_name(s) SSL_CIPHER_get_name(SSL_get_current_cipher(s)) -#define SSL_get_time(a) SSL_SESSION_get_time(a) -#define SSL_set_time(a, b) SSL_SESSION_set_time((a), (b)) -#define SSL_get_timeout(a) SSL_SESSION_get_timeout(a) -#define SSL_set_timeout(a, b) SSL_SESSION_set_timeout((a), (b)) - -#define d2i_SSL_SESSION_bio(bp, s_id) \ - ASN1_d2i_bio_of(SSL_SESSION, SSL_SESSION_new, d2i_SSL_SESSION, bp, s_id) -#define i2d_SSL_SESSION_bio(bp, s_id) \ - ASN1_i2d_bio_of(SSL_SESSION, i2d_SSL_SESSION, bp, s_id) - -DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION) - -/* make_errors.go reserves error codes above 1000 for manually-assigned errors. - * This value must be kept in sync with reservedReasonCode in make_errors.h */ -#define SSL_AD_REASON_OFFSET \ - 1000 /* offset to get SSL_R_... value from SSL_AD_... */ - -/* These alert types are for SSLv3 and TLSv1 */ -#define SSL_AD_CLOSE_NOTIFY SSL3_AD_CLOSE_NOTIFY -#define SSL_AD_UNEXPECTED_MESSAGE SSL3_AD_UNEXPECTED_MESSAGE /* fatal */ -#define SSL_AD_BAD_RECORD_MAC SSL3_AD_BAD_RECORD_MAC /* fatal */ -#define SSL_AD_DECRYPTION_FAILED TLS1_AD_DECRYPTION_FAILED -#define SSL_AD_RECORD_OVERFLOW TLS1_AD_RECORD_OVERFLOW -#define SSL_AD_DECOMPRESSION_FAILURE SSL3_AD_DECOMPRESSION_FAILURE /* fatal */ -#define SSL_AD_HANDSHAKE_FAILURE SSL3_AD_HANDSHAKE_FAILURE /* fatal */ -#define SSL_AD_NO_CERTIFICATE SSL3_AD_NO_CERTIFICATE /* Not for TLS */ -#define SSL_AD_BAD_CERTIFICATE SSL3_AD_BAD_CERTIFICATE -#define SSL_AD_UNSUPPORTED_CERTIFICATE SSL3_AD_UNSUPPORTED_CERTIFICATE -#define SSL_AD_CERTIFICATE_REVOKED SSL3_AD_CERTIFICATE_REVOKED -#define SSL_AD_CERTIFICATE_EXPIRED SSL3_AD_CERTIFICATE_EXPIRED -#define SSL_AD_CERTIFICATE_UNKNOWN SSL3_AD_CERTIFICATE_UNKNOWN -#define SSL_AD_ILLEGAL_PARAMETER SSL3_AD_ILLEGAL_PARAMETER /* fatal */ -#define SSL_AD_UNKNOWN_CA TLS1_AD_UNKNOWN_CA /* fatal */ -#define SSL_AD_ACCESS_DENIED TLS1_AD_ACCESS_DENIED /* fatal */ -#define SSL_AD_DECODE_ERROR TLS1_AD_DECODE_ERROR /* fatal */ -#define SSL_AD_DECRYPT_ERROR TLS1_AD_DECRYPT_ERROR -#define SSL_AD_EXPORT_RESTRICTION TLS1_AD_EXPORT_RESTRICTION /* fatal */ -#define SSL_AD_PROTOCOL_VERSION TLS1_AD_PROTOCOL_VERSION /* fatal */ -#define SSL_AD_INSUFFICIENT_SECURITY TLS1_AD_INSUFFICIENT_SECURITY /* fatal */ -#define SSL_AD_INTERNAL_ERROR TLS1_AD_INTERNAL_ERROR /* fatal */ -#define SSL_AD_USER_CANCELLED TLS1_AD_USER_CANCELLED -#define SSL_AD_NO_RENEGOTIATION TLS1_AD_NO_RENEGOTIATION -#define SSL_AD_UNSUPPORTED_EXTENSION TLS1_AD_UNSUPPORTED_EXTENSION -#define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE -#define SSL_AD_UNRECOGNIZED_NAME TLS1_AD_UNRECOGNIZED_NAME -#define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE \ - TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE -#define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE -#define SSL_AD_UNKNOWN_PSK_IDENTITY TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */ -#define SSL_AD_INAPPROPRIATE_FALLBACK SSL3_AD_INAPPROPRIATE_FALLBACK /* fatal */ - -#define SSL_ERROR_NONE 0 -#define SSL_ERROR_SSL 1 -#define SSL_ERROR_WANT_READ 2 -#define SSL_ERROR_WANT_WRITE 3 -#define SSL_ERROR_WANT_X509_LOOKUP 4 -#define SSL_ERROR_SYSCALL 5 /* look at error stack/return value/errno */ -#define SSL_ERROR_ZERO_RETURN 6 -#define SSL_ERROR_WANT_CONNECT 7 -#define SSL_ERROR_WANT_ACCEPT 8 -#define SSL_ERROR_WANT_CHANNEL_ID_LOOKUP 9 -#define SSL_ERROR_PENDING_SESSION 11 -#define SSL_ERROR_PENDING_CERTIFICATE 12 - -#define SSL_CTRL_EXTRA_CHAIN_CERT 14 - -/* see tls1.h for macros based on these */ -#define SSL_CTRL_GET_TLSEXT_TICKET_KEYS 58 -#define SSL_CTRL_SET_TLSEXT_TICKET_KEYS 59 - -#define SSL_CTRL_SET_SRP_ARG 78 -#define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME 79 -#define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH 80 -#define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD 81 - -#define SSL_CTRL_GET_EXTRA_CHAIN_CERTS 82 -#define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS 83 - -#define SSL_CTRL_CHAIN 88 -#define SSL_CTRL_CHAIN_CERT 89 - -#define SSL_CTRL_GET_CURVES 90 -#define SSL_CTRL_SET_CURVES 91 -#define SSL_CTRL_SET_CURVES_LIST 92 -#define SSL_CTRL_SET_SIGALGS 97 -#define SSL_CTRL_SET_SIGALGS_LIST 98 -#define SSL_CTRL_SET_CLIENT_SIGALGS 101 -#define SSL_CTRL_SET_CLIENT_SIGALGS_LIST 102 -#define SSL_CTRL_GET_CLIENT_CERT_TYPES 103 -#define SSL_CTRL_SET_CLIENT_CERT_TYPES 104 -#define SSL_CTRL_BUILD_CERT_CHAIN 105 -#define SSL_CTRL_SET_VERIFY_CERT_STORE 106 -#define SSL_CTRL_SET_CHAIN_CERT_STORE 107 -#define SSL_CTRL_GET_SERVER_TMP_KEY 109 -#define SSL_CTRL_GET_EC_POINT_FORMATS 111 - -#define SSL_CTRL_GET_CHAIN_CERTS 115 -#define SSL_CTRL_SELECT_CURRENT_CERT 116 - -/* DTLSv1_get_timeout queries the next DTLS handshake timeout. If there is a - * timeout in progress, it sets |*out| to the time remaining and returns one. - * Otherwise, it returns zero. - * - * When the timeout expires, call |DTLSv1_handle_timeout| to handle the - * retransmit behavior. - * - * NOTE: This function must be queried again whenever the handshake state - * machine changes, including when |DTLSv1_handle_timeout| is called. */ -OPENSSL_EXPORT int DTLSv1_get_timeout(const SSL *ssl, struct timeval *out); - -/* DTLSv1_handle_timeout is called when a DTLS handshake timeout expires. If no - * timeout had expired, it returns 0. Otherwise, it retransmits the previous - * flight of handshake messages and returns 1. If too many timeouts had expired - * without progress or an error occurs, it returns -1. - * - * NOTE: The caller's external timer should be compatible with the one |ssl| - * queries within some fudge factor. Otherwise, the call will be a no-op, but - * |DTLSv1_get_timeout| will return an updated timeout. - * - * WARNING: This function breaks the usual return value convention. */ -OPENSSL_EXPORT int DTLSv1_handle_timeout(SSL *ssl); - -/* SSL_session_reused returns one if |ssl| performed an abbreviated handshake - * and zero otherwise. - * - * TODO(davidben): Hammer down the semantics of this API while a handshake, - * initial or renego, is in progress. */ -OPENSSL_EXPORT int SSL_session_reused(const SSL *ssl); - -/* SSL_total_renegotiations returns the total number of renegotiation handshakes - * peformed by |ssl|. This includes the pending renegotiation, if any. */ -OPENSSL_EXPORT int SSL_total_renegotiations(const SSL *ssl); - -/* SSL_CTX_set_tmp_dh configures |ctx| to use the group from |dh| as the group - * for DHE. Only the group is used, so |dh| needn't have a keypair. It returns - * one on success and zero on error. */ -OPENSSL_EXPORT int SSL_CTX_set_tmp_dh(SSL_CTX *ctx, const DH *dh); - -/* SSL_set_tmp_dh configures |ssl| to use the group from |dh| as the group for - * DHE. Only the group is used, so |dh| needn't have a keypair. It returns one - * on success and zero on error. */ -OPENSSL_EXPORT int SSL_set_tmp_dh(SSL *ssl, const DH *dh); - -/* SSL_CTX_set_tmp_ecdh configures |ctx| to use the curve from |ecdh| as the - * curve for ephemeral ECDH keys. For historical reasons, this API expects an - * |EC_KEY|, but only the curve is used. It returns one on success and zero on - * error. If unset, an appropriate curve will be chosen automatically. (This is - * recommended.) */ -OPENSSL_EXPORT int SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ec_key); - -/* SSL_set_tmp_ecdh configures |ssl| to use the curve from |ecdh| as the curve - * for ephemeral ECDH keys. For historical reasons, this API expects an - * |EC_KEY|, but only the curve is used. It returns one on success and zero on - * error. If unset, an appropriate curve will be chosen automatically. (This is - * recommended.) */ -OPENSSL_EXPORT int SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ec_key); - -/* SSL_CTX_enable_tls_channel_id either configures a TLS server to accept TLS - * client IDs from clients, or configures a client to send TLS client IDs to - * a server. It returns one. */ -OPENSSL_EXPORT int SSL_CTX_enable_tls_channel_id(SSL_CTX *ctx); - -/* SSL_enable_tls_channel_id either configures a TLS server to accept TLS - * client IDs from clients, or configure a client to send TLS client IDs to - * server. It returns one. */ -OPENSSL_EXPORT int SSL_enable_tls_channel_id(SSL *ssl); - -/* SSL_CTX_set1_tls_channel_id configures a TLS client to send a TLS Channel ID - * to compatible servers. |private_key| must be a P-256 EC key. It returns one - * on success and zero on error. */ -OPENSSL_EXPORT int SSL_CTX_set1_tls_channel_id(SSL_CTX *ctx, - EVP_PKEY *private_key); - -/* SSL_set1_tls_channel_id configures a TLS client to send a TLS Channel ID to - * compatible servers. |private_key| must be a P-256 EC key. It returns one on - * success and zero on error. */ -OPENSSL_EXPORT int SSL_set1_tls_channel_id(SSL *ssl, EVP_PKEY *private_key); - -/* SSL_get_tls_channel_id gets the client's TLS Channel ID from a server SSL* - * and copies up to the first |max_out| bytes into |out|. The Channel ID - * consists of the client's P-256 public key as an (x,y) pair where each is a - * 32-byte, big-endian field element. It returns 0 if the client didn't offer a - * Channel ID and the length of the complete Channel ID otherwise. */ -OPENSSL_EXPORT size_t SSL_get_tls_channel_id(SSL *ssl, uint8_t *out, - size_t max_out); - -#define SSL_CTX_add_extra_chain_cert(ctx, x509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_EXTRA_CHAIN_CERT, 0, (char *)x509) -#define SSL_CTX_get_extra_chain_certs(ctx, px509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 0, px509) -#define SSL_CTX_get_extra_chain_certs_only(ctx, px509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_GET_EXTRA_CHAIN_CERTS, 1, px509) -#define SSL_CTX_clear_extra_chain_certs(ctx) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS, 0, NULL) - -#define SSL_CTX_set0_chain(ctx, sk) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_CHAIN, 0, (char *)sk) -#define SSL_CTX_set1_chain(ctx, sk) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_CHAIN, 1, (char *)sk) -#define SSL_CTX_add0_chain_cert(ctx, x509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_CHAIN_CERT, 0, (char *)x509) -#define SSL_CTX_add1_chain_cert(ctx, x509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_CHAIN_CERT, 1, (char *)x509) -#define SSL_CTX_get0_chain_certs(ctx, px509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_GET_CHAIN_CERTS, 0, px509) -#define SSL_CTX_clear_chain_certs(ctx) SSL_CTX_set0_chain(ctx, NULL) -#define SSL_CTX_build_cert_chain(ctx, flags) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL) -#define SSL_CTX_select_current_cert(ctx, x509) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SELECT_CURRENT_CERT, 0, (char *)x509) - -#define SSL_CTX_set0_verify_cert_store(ctx, st) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_VERIFY_CERT_STORE, 0, (char *)st) -#define SSL_CTX_set1_verify_cert_store(ctx, st) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_VERIFY_CERT_STORE, 1, (char *)st) -#define SSL_CTX_set0_chain_cert_store(ctx, st) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CHAIN_CERT_STORE, 0, (char *)st) -#define SSL_CTX_set1_chain_cert_store(ctx, st) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CHAIN_CERT_STORE, 1, (char *)st) - -#define SSL_set0_chain(ctx, sk) SSL_ctrl(ctx, SSL_CTRL_CHAIN, 0, (char *)sk) -#define SSL_set1_chain(ctx, sk) SSL_ctrl(ctx, SSL_CTRL_CHAIN, 1, (char *)sk) -#define SSL_add0_chain_cert(ctx, x509) \ - SSL_ctrl(ctx, SSL_CTRL_CHAIN_CERT, 0, (char *)x509) -#define SSL_add1_chain_cert(ctx, x509) \ - SSL_ctrl(ctx, SSL_CTRL_CHAIN_CERT, 1, (char *)x509) -#define SSL_get0_chain_certs(ctx, px509) \ - SSL_ctrl(ctx, SSL_CTRL_GET_CHAIN_CERTS, 0, px509) -#define SSL_clear_chain_certs(ctx) SSL_set0_chain(ctx, NULL) -#define SSL_build_cert_chain(s, flags) \ - SSL_ctrl(s, SSL_CTRL_BUILD_CERT_CHAIN, flags, NULL) -#define SSL_select_current_cert(ctx, x509) \ - SSL_ctrl(ctx, SSL_CTRL_SELECT_CURRENT_CERT, 0, (char *)x509) - -#define SSL_set0_verify_cert_store(s, st) \ - SSL_ctrl(s, SSL_CTRL_SET_VERIFY_CERT_STORE, 0, (char *)st) -#define SSL_set1_verify_cert_store(s, st) \ - SSL_ctrl(s, SSL_CTRL_SET_VERIFY_CERT_STORE, 1, (char *)st) -#define SSL_set0_chain_cert_store(s, st) \ - SSL_ctrl(s, SSL_CTRL_SET_CHAIN_CERT_STORE, 0, (char *)st) -#define SSL_set1_chain_cert_store(s, st) \ - SSL_ctrl(s, SSL_CTRL_SET_CHAIN_CERT_STORE, 1, (char *)st) - -#define SSL_get1_curves(ctx, s) SSL_ctrl(ctx, SSL_CTRL_GET_CURVES, 0, (char *)s) -#define SSL_CTX_set1_curves(ctx, clist, clistlen) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CURVES, clistlen, (char *)clist) -#define SSL_CTX_set1_curves_list(ctx, s) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CURVES_LIST, 0, (char *)s) -#define SSL_set1_curves(ctx, clist, clistlen) \ - SSL_ctrl(ctx, SSL_CTRL_SET_CURVES, clistlen, (char *)clist) -#define SSL_set1_curves_list(ctx, s) \ - SSL_ctrl(ctx, SSL_CTRL_SET_CURVES_LIST, 0, (char *)s) - -#define SSL_CTX_set1_sigalgs(ctx, slist, slistlen) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_SIGALGS, slistlen, (int *)slist) -#define SSL_CTX_set1_sigalgs_list(ctx, s) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_SIGALGS_LIST, 0, (char *)s) -#define SSL_set1_sigalgs(ctx, slist, slistlen) \ - SSL_ctrl(ctx, SSL_CTRL_SET_SIGALGS, clistlen, (int *)slist) -#define SSL_set1_sigalgs_list(ctx, s) \ - SSL_ctrl(ctx, SSL_CTRL_SET_SIGALGS_LIST, 0, (char *)s) - -#define SSL_CTX_set1_client_sigalgs(ctx, slist, slistlen) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CLIENT_SIGALGS, slistlen, (int *)slist) -#define SSL_CTX_set1_client_sigalgs_list(ctx, s) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CLIENT_SIGALGS_LIST, 0, (char *)s) -#define SSL_set1_client_sigalgs(ctx, slist, slistlen) \ - SSL_ctrl(ctx, SSL_CTRL_SET_CLIENT_SIGALGS, clistlen, (int *)slist) -#define SSL_set1_client_sigalgs_list(ctx, s) \ - SSL_ctrl(ctx, SSL_CTRL_SET_CLIENT_SIGALGS_LIST, 0, (char *)s) - -#define SSL_get0_certificate_types(s, clist) \ - SSL_ctrl(s, SSL_CTRL_GET_CLIENT_CERT_TYPES, 0, (char *)clist) - -#define SSL_CTX_set1_client_certificate_types(ctx, clist, clistlen) \ - SSL_CTX_ctrl(ctx, SSL_CTRL_SET_CLIENT_CERT_TYPES, clistlen, (char *)clist) -#define SSL_set1_client_certificate_types(s, clist, clistlen) \ - SSL_ctrl(s, SSL_CTRL_SET_CLIENT_CERT_TYPES, clistlen, (char *)clist) - -#define SSL_get_server_tmp_key(s, pk) \ - SSL_ctrl(s, SSL_CTRL_GET_SERVER_TMP_KEY, 0, pk) - -#define SSL_get0_ec_point_formats(s, plst) \ - SSL_ctrl(s, SSL_CTRL_GET_EC_POINT_FORMATS, 0, (char *)plst) - -OPENSSL_EXPORT int SSL_CTX_set_cipher_list(SSL_CTX *, const char *str); -OPENSSL_EXPORT int SSL_CTX_set_cipher_list_tls11(SSL_CTX *, const char *str); -OPENSSL_EXPORT long SSL_CTX_set_timeout(SSL_CTX *ctx, long t); -OPENSSL_EXPORT long SSL_CTX_get_timeout(const SSL_CTX *ctx); -OPENSSL_EXPORT X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *); -OPENSSL_EXPORT void SSL_CTX_set_cert_store(SSL_CTX *, X509_STORE *); -OPENSSL_EXPORT int SSL_want(const SSL *s); - -OPENSSL_EXPORT void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm); - -/* SSL_get_current_cipher returns the cipher used in the current outgoing - * connection state, or NULL if the null cipher is active. */ -OPENSSL_EXPORT const SSL_CIPHER *SSL_get_current_cipher(const SSL *s); - -OPENSSL_EXPORT int SSL_get_fd(const SSL *s); -OPENSSL_EXPORT int SSL_get_rfd(const SSL *s); -OPENSSL_EXPORT int SSL_get_wfd(const SSL *s); -OPENSSL_EXPORT const char *SSL_get_cipher_list(const SSL *s, int n); -OPENSSL_EXPORT int SSL_pending(const SSL *s); -OPENSSL_EXPORT int SSL_set_fd(SSL *s, int fd); -OPENSSL_EXPORT int SSL_set_rfd(SSL *s, int fd); -OPENSSL_EXPORT int SSL_set_wfd(SSL *s, int fd); -OPENSSL_EXPORT void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio); -OPENSSL_EXPORT BIO *SSL_get_rbio(const SSL *s); -OPENSSL_EXPORT BIO *SSL_get_wbio(const SSL *s); -OPENSSL_EXPORT int SSL_set_cipher_list(SSL *s, const char *str); -OPENSSL_EXPORT int SSL_get_verify_mode(const SSL *s); -OPENSSL_EXPORT int SSL_get_verify_depth(const SSL *s); -OPENSSL_EXPORT int (*SSL_get_verify_callback(const SSL *s))(int, - X509_STORE_CTX *); -OPENSSL_EXPORT void SSL_set_verify(SSL *s, int mode, - int (*callback)(int ok, - X509_STORE_CTX *ctx)); -OPENSSL_EXPORT void SSL_set_verify_depth(SSL *s, int depth); -OPENSSL_EXPORT void SSL_set_cert_cb(SSL *s, int (*cb)(SSL *ssl, void *arg), - void *arg); -OPENSSL_EXPORT int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa); -OPENSSL_EXPORT int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, uint8_t *d, long len); -OPENSSL_EXPORT int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey); -OPENSSL_EXPORT int SSL_use_PrivateKey_ASN1(int pk, SSL *ssl, const uint8_t *d, - long len); -OPENSSL_EXPORT int SSL_use_certificate(SSL *ssl, X509 *x); -OPENSSL_EXPORT int SSL_use_certificate_ASN1(SSL *ssl, const uint8_t *d, - int len); - -OPENSSL_EXPORT int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, - int type); -OPENSSL_EXPORT int SSL_use_PrivateKey_file(SSL *ssl, const char *file, - int type); -OPENSSL_EXPORT int SSL_use_certificate_file(SSL *ssl, const char *file, - int type); -OPENSSL_EXPORT int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, - const char *file, int type); -OPENSSL_EXPORT int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, - int type); -OPENSSL_EXPORT int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, - int type); -OPENSSL_EXPORT int SSL_CTX_use_certificate_chain_file( - SSL_CTX *ctx, const char *file); /* PEM type */ -OPENSSL_EXPORT STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file); -OPENSSL_EXPORT int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) * - stackCAs, - const char *file); -OPENSSL_EXPORT int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) * - stackCAs, - const char *dir); - -/* SSL_load_error_strings does nothing. */ -OPENSSL_EXPORT void SSL_load_error_strings(void); - -OPENSSL_EXPORT const char *SSL_state_string(const SSL *s); -OPENSSL_EXPORT const char *SSL_rstate_string(const SSL *s); -OPENSSL_EXPORT const char *SSL_state_string_long(const SSL *s); -OPENSSL_EXPORT const char *SSL_rstate_string_long(const SSL *s); -OPENSSL_EXPORT long SSL_SESSION_get_time(const SSL_SESSION *s); -OPENSSL_EXPORT long SSL_SESSION_set_time(SSL_SESSION *s, long t); -OPENSSL_EXPORT long SSL_SESSION_get_timeout(const SSL_SESSION *s); -OPENSSL_EXPORT long SSL_SESSION_set_timeout(SSL_SESSION *s, long t); -OPENSSL_EXPORT X509 *SSL_SESSION_get0_peer(SSL_SESSION *s); -OPENSSL_EXPORT int SSL_SESSION_set1_id_context(SSL_SESSION *s, - const uint8_t *sid_ctx, - unsigned int sid_ctx_len); - -OPENSSL_EXPORT SSL_SESSION *SSL_SESSION_new(void); -OPENSSL_EXPORT const uint8_t *SSL_SESSION_get_id(const SSL_SESSION *s, - unsigned int *len); -OPENSSL_EXPORT int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *ses); -OPENSSL_EXPORT int SSL_SESSION_print(BIO *fp, const SSL_SESSION *ses); - -/* SSL_SESSION_up_ref, if |session| is not NULL, increments the reference count - * of |session|. It then returns |session|. */ -OPENSSL_EXPORT SSL_SESSION *SSL_SESSION_up_ref(SSL_SESSION *session); - -/* SSL_SESSION_free decrements the reference count of |session|. If it reaches - * zero, all data referenced by |session| and |session| itself are released. */ -OPENSSL_EXPORT void SSL_SESSION_free(SSL_SESSION *session); - -OPENSSL_EXPORT int SSL_set_session(SSL *to, SSL_SESSION *session); -OPENSSL_EXPORT int SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c); -OPENSSL_EXPORT int SSL_CTX_remove_session(SSL_CTX *, SSL_SESSION *c); -OPENSSL_EXPORT int SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB); -OPENSSL_EXPORT int SSL_set_generate_session_id(SSL *, GEN_SESSION_CB); -OPENSSL_EXPORT int SSL_has_matching_session_id(const SSL *ssl, - const uint8_t *id, - unsigned int id_len); - -/* SSL_SESSION_to_bytes serializes |in| into a newly allocated buffer and sets - * |*out_data| to that buffer and |*out_len| to its length. The caller takes - * ownership of the buffer and must call |OPENSSL_free| when done. It returns - * one on success and zero on error. */ -OPENSSL_EXPORT int SSL_SESSION_to_bytes(SSL_SESSION *in, uint8_t **out_data, - size_t *out_len); - -/* SSL_SESSION_to_bytes_for_ticket serializes |in|, but excludes the session - * identification information, namely the session ID and ticket. */ -OPENSSL_EXPORT int SSL_SESSION_to_bytes_for_ticket(SSL_SESSION *in, - uint8_t **out_data, - size_t *out_len); - -/* SSL_SESSION_from_bytes parses |in_len| bytes from |in| as an SSL_SESSION. It - * returns a newly-allocated |SSL_SESSION| on success or NULL on error. */ -OPENSSL_EXPORT SSL_SESSION *SSL_SESSION_from_bytes(const uint8_t *in, - size_t in_len); - -/* Deprecated: i2d_SSL_SESSION serializes |in| to the bytes pointed to by - * |*pp|. On success, it returns the number of bytes written and advances |*pp| - * by that many bytes. On failure, it returns -1. If |pp| is NULL, no bytes are - * written and only the length is returned. - * - * Use |SSL_SESSION_to_bytes| instead. */ -OPENSSL_EXPORT int i2d_SSL_SESSION(SSL_SESSION *in, uint8_t **pp); - -/* Deprecated: d2i_SSL_SESSION parses a serialized session from the |length| - * bytes pointed to by |*pp|. It returns the new |SSL_SESSION| and advances - * |*pp| by the number of bytes consumed on success and NULL on failure. The - * caller takes ownership of the new session and must call |SSL_SESSION_free| - * when done. - * - * If |a| is non-NULL, |*a| is released and set the new |SSL_SESSION|. - * - * Use |SSL_SESSION_from_bytes| instead. */ -OPENSSL_EXPORT SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const uint8_t **pp, - long length); - -OPENSSL_EXPORT X509 *SSL_get_peer_certificate(const SSL *s); - -OPENSSL_EXPORT STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s); - -OPENSSL_EXPORT int SSL_CTX_get_verify_mode(const SSL_CTX *ctx); -OPENSSL_EXPORT int SSL_CTX_get_verify_depth(const SSL_CTX *ctx); -OPENSSL_EXPORT int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))( - int, X509_STORE_CTX *); -OPENSSL_EXPORT void SSL_CTX_set_verify(SSL_CTX *ctx, int mode, - int (*callback)(int, X509_STORE_CTX *)); -OPENSSL_EXPORT void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth); -OPENSSL_EXPORT void SSL_CTX_set_cert_verify_callback( - SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *, void *), void *arg); -OPENSSL_EXPORT void SSL_CTX_set_cert_cb(SSL_CTX *c, - int (*cb)(SSL *ssl, void *arg), - void *arg); -OPENSSL_EXPORT int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa); -OPENSSL_EXPORT int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, - const uint8_t *d, long len); -OPENSSL_EXPORT int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey); -OPENSSL_EXPORT int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, - const uint8_t *d, long len); -OPENSSL_EXPORT int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x); -OPENSSL_EXPORT int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, - const uint8_t *d); - -OPENSSL_EXPORT void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, - pem_password_cb *cb); -OPENSSL_EXPORT void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, - void *u); - -OPENSSL_EXPORT int SSL_CTX_check_private_key(const SSL_CTX *ctx); -OPENSSL_EXPORT int SSL_check_private_key(const SSL *ctx); - -OPENSSL_EXPORT int SSL_CTX_set_session_id_context(SSL_CTX *ctx, - const uint8_t *sid_ctx, - unsigned int sid_ctx_len); - -OPENSSL_EXPORT int SSL_set_session_id_context(SSL *ssl, const uint8_t *sid_ctx, - unsigned int sid_ctx_len); - -OPENSSL_EXPORT int SSL_CTX_set_purpose(SSL_CTX *s, int purpose); -OPENSSL_EXPORT int SSL_set_purpose(SSL *s, int purpose); -OPENSSL_EXPORT int SSL_CTX_set_trust(SSL_CTX *s, int trust); -OPENSSL_EXPORT int SSL_set_trust(SSL *s, int trust); - -OPENSSL_EXPORT int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm); -OPENSSL_EXPORT int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm); - -OPENSSL_EXPORT X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx); -OPENSSL_EXPORT X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl); - -OPENSSL_EXPORT void SSL_certs_clear(SSL *s); -OPENSSL_EXPORT int SSL_accept(SSL *ssl); -OPENSSL_EXPORT int SSL_connect(SSL *ssl); -OPENSSL_EXPORT int SSL_read(SSL *ssl, void *buf, int num); -OPENSSL_EXPORT int SSL_peek(SSL *ssl, void *buf, int num); -OPENSSL_EXPORT int SSL_write(SSL *ssl, const void *buf, int num); -OPENSSL_EXPORT long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg); -OPENSSL_EXPORT long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg); - -OPENSSL_EXPORT int SSL_get_error(const SSL *s, int ret_code); -/* SSL_get_version returns a string describing the TLS version used by |s|. For - * example, "TLSv1.2" or "SSLv3". */ -OPENSSL_EXPORT const char *SSL_get_version(const SSL *s); -/* SSL_SESSION_get_version returns a string describing the TLS version used by - * |sess|. For example, "TLSv1.2" or "SSLv3". */ -OPENSSL_EXPORT const char *SSL_SESSION_get_version(const SSL_SESSION *sess); - -OPENSSL_EXPORT STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s); - -OPENSSL_EXPORT int SSL_do_handshake(SSL *s); - -/* SSL_renegotiate_pending returns one if |ssl| is in the middle of a - * renegotiation. */ -OPENSSL_EXPORT int SSL_renegotiate_pending(SSL *ssl); - -OPENSSL_EXPORT int SSL_shutdown(SSL *s); - -OPENSSL_EXPORT const char *SSL_alert_type_string_long(int value); -OPENSSL_EXPORT const char *SSL_alert_type_string(int value); -OPENSSL_EXPORT const char *SSL_alert_desc_string_long(int value); -OPENSSL_EXPORT const char *SSL_alert_desc_string(int value); - -OPENSSL_EXPORT void SSL_set_client_CA_list(SSL *s, - STACK_OF(X509_NAME) *name_list); -OPENSSL_EXPORT void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, - STACK_OF(X509_NAME) *name_list); -OPENSSL_EXPORT STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s); -OPENSSL_EXPORT STACK_OF(X509_NAME) * - SSL_CTX_get_client_CA_list(const SSL_CTX *s); -OPENSSL_EXPORT int SSL_add_client_CA(SSL *ssl, X509 *x); -OPENSSL_EXPORT int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x); - -OPENSSL_EXPORT long SSL_get_default_timeout(const SSL *s); - -OPENSSL_EXPORT STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk); - -OPENSSL_EXPORT X509 *SSL_get_certificate(const SSL *ssl); -OPENSSL_EXPORT EVP_PKEY *SSL_get_privatekey(const SSL *ssl); - -OPENSSL_EXPORT X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx); -OPENSSL_EXPORT EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx); - -OPENSSL_EXPORT void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode); -OPENSSL_EXPORT int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx); -OPENSSL_EXPORT void SSL_set_quiet_shutdown(SSL *ssl, int mode); -OPENSSL_EXPORT int SSL_get_quiet_shutdown(const SSL *ssl); -OPENSSL_EXPORT void SSL_set_shutdown(SSL *ssl, int mode); -OPENSSL_EXPORT int SSL_get_shutdown(const SSL *ssl); -OPENSSL_EXPORT int SSL_version(const SSL *ssl); -OPENSSL_EXPORT int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx); -OPENSSL_EXPORT int SSL_CTX_load_verify_locations(SSL_CTX *ctx, - const char *CAfile, - const char *CApath); -#define SSL_get0_session SSL_get_session /* just peek at pointer */ -OPENSSL_EXPORT SSL_SESSION *SSL_get_session(const SSL *ssl); -OPENSSL_EXPORT SSL_SESSION *SSL_get1_session( - SSL *ssl); /* obtain a reference count */ -OPENSSL_EXPORT SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl); -OPENSSL_EXPORT SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx); -OPENSSL_EXPORT void SSL_set_info_callback(SSL *ssl, - void (*cb)(const SSL *ssl, int type, - int val)); -OPENSSL_EXPORT void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, - int type, int val); -OPENSSL_EXPORT int SSL_state(const SSL *ssl); - -OPENSSL_EXPORT void SSL_set_verify_result(SSL *ssl, long v); -OPENSSL_EXPORT long SSL_get_verify_result(const SSL *ssl); - -OPENSSL_EXPORT int SSL_set_ex_data(SSL *ssl, int idx, void *data); -OPENSSL_EXPORT void *SSL_get_ex_data(const SSL *ssl, int idx); -OPENSSL_EXPORT int SSL_get_ex_new_index(long argl, void *argp, - CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, - CRYPTO_EX_free *free_func); - -OPENSSL_EXPORT int SSL_SESSION_set_ex_data(SSL_SESSION *ss, int idx, - void *data); -OPENSSL_EXPORT void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss, int idx); -OPENSSL_EXPORT int SSL_SESSION_get_ex_new_index(long argl, void *argp, - CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, - CRYPTO_EX_free *free_func); - -OPENSSL_EXPORT int SSL_CTX_set_ex_data(SSL_CTX *ssl, int idx, void *data); -OPENSSL_EXPORT void *SSL_CTX_get_ex_data(const SSL_CTX *ssl, int idx); -OPENSSL_EXPORT int SSL_CTX_get_ex_new_index(long argl, void *argp, - CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, - CRYPTO_EX_free *free_func); - -OPENSSL_EXPORT int SSL_get_ex_data_X509_STORE_CTX_idx(void); - -/* SSL_CTX_sess_set_cache_size sets the maximum size of |ctx|'s session cache to - * |size|. It returns the previous value. */ -OPENSSL_EXPORT unsigned long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, - unsigned long size); - -/* SSL_CTX_sess_get_cache_size returns the maximum size of |ctx|'s session - * cache. */ -OPENSSL_EXPORT unsigned long SSL_CTX_sess_get_cache_size(const SSL_CTX *ctx); - -/* SSL_SESS_CACHE_* are the possible session cache mode bits. - * TODO(davidben): Document. */ -#define SSL_SESS_CACHE_OFF 0x0000 -#define SSL_SESS_CACHE_CLIENT 0x0001 -#define SSL_SESS_CACHE_SERVER 0x0002 -#define SSL_SESS_CACHE_BOTH (SSL_SESS_CACHE_CLIENT | SSL_SESS_CACHE_SERVER) -#define SSL_SESS_CACHE_NO_AUTO_CLEAR 0x0080 -#define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP 0x0100 -#define SSL_SESS_CACHE_NO_INTERNAL_STORE 0x0200 -#define SSL_SESS_CACHE_NO_INTERNAL \ - (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP | SSL_SESS_CACHE_NO_INTERNAL_STORE) - -/* SSL_CTX_set_session_cache_mode sets the session cache mode bits for |ctx| to - * |mode|. It returns the previous value. */ -OPENSSL_EXPORT int SSL_CTX_set_session_cache_mode(SSL_CTX *ctx, int mode); - -/* SSL_CTX_get_session_cache_mode returns the session cache mode bits for - * |ctx| */ -OPENSSL_EXPORT int SSL_CTX_get_session_cache_mode(const SSL_CTX *ctx); - -/* SSL_CTX_get_max_cert_list returns the maximum length, in bytes, of a peer - * certificate chain accepted by |ctx|. */ -OPENSSL_EXPORT size_t SSL_CTX_get_max_cert_list(const SSL_CTX *ctx); - -/* SSL_CTX_set_max_cert_list sets the maximum length, in bytes, of a peer - * certificate chain to |max_cert_list|. This affects how much memory may be - * consumed during the handshake. */ -OPENSSL_EXPORT void SSL_CTX_set_max_cert_list(SSL_CTX *ctx, - size_t max_cert_list); - -/* SSL_get_max_cert_list returns the maximum length, in bytes, of a peer - * certificate chain accepted by |ssl|. */ -OPENSSL_EXPORT size_t SSL_get_max_cert_list(const SSL *ssl); - -/* SSL_set_max_cert_list sets the maximum length, in bytes, of a peer - * certificate chain to |max_cert_list|. This affects how much memory may be - * consumed during the handshake. */ -OPENSSL_EXPORT void SSL_set_max_cert_list(SSL *ssl, size_t max_cert_list); - -/* SSL_CTX_set_max_send_fragment sets the maximum length, in bytes, of records - * sent by |ctx|. Beyond this length, handshake messages and application data - * will be split into multiple records. */ -OPENSSL_EXPORT void SSL_CTX_set_max_send_fragment(SSL_CTX *ctx, - size_t max_send_fragment); - -/* SSL_set_max_send_fragment sets the maximum length, in bytes, of records - * sent by |ssl|. Beyond this length, handshake messages and application data - * will be split into multiple records. */ -OPENSSL_EXPORT void SSL_set_max_send_fragment(SSL *ssl, - size_t max_send_fragment); - -/* SSL_CTX_set_tmp_dh_callback configures |ctx| to use |callback| to determine - * the group for DHE ciphers. |callback| should ignore |is_export| and - * |keylength| and return a |DH| of the selected group or NULL on error. Only - * the parameters are used, so the |DH| needn't have a generated keypair. - * - * WARNING: The caller does not take ownership of the resulting |DH|, so - * |callback| must save and release the object elsewhere. */ -OPENSSL_EXPORT void SSL_CTX_set_tmp_dh_callback( - SSL_CTX *ctx, DH *(*callback)(SSL *ssl, int is_export, int keylength)); - -/* SSL_set_tmp_dh_callback configures |ssl| to use |callback| to determine the - * group for DHE ciphers. |callback| should ignore |is_export| and |keylength| - * and return a |DH| of the selected group or NULL on error. Only the - * parameters are used, so the |DH| needn't have a generated keypair. - * - * WARNING: The caller does not take ownership of the resulting |DH|, so - * |callback| must save and release the object elsewhere. */ -OPENSSL_EXPORT void SSL_set_tmp_dh_callback(SSL *ssl, - DH *(*dh)(SSL *ssl, int is_export, - int keylength)); - -/* SSL_CTX_set_tmp_ecdh_callback configures |ctx| to use |callback| to determine - * the curve for ephemeral ECDH keys. |callback| should ignore |is_export| and - * |keylength| and return an |EC_KEY| of the selected curve or NULL on - * error. Only the curve is used, so the |EC_KEY| needn't have a generated - * keypair. - * - * If the callback is unset, an appropriate curve will be chosen automatically. - * (This is recommended.) - * - * WARNING: The caller does not take ownership of the resulting |EC_KEY|, so - * |callback| must save and release the object elsewhere. */ -OPENSSL_EXPORT void SSL_CTX_set_tmp_ecdh_callback( - SSL_CTX *ctx, EC_KEY *(*callback)(SSL *ssl, int is_export, int keylength)); - -/* SSL_set_tmp_ecdh_callback configures |ssl| to use |callback| to determine the - * curve for ephemeral ECDH keys. |callback| should ignore |is_export| and - * |keylength| and return an |EC_KEY| of the selected curve or NULL on - * error. Only the curve is used, so the |EC_KEY| needn't have a generated - * keypair. - * - * If the callback is unset, an appropriate curve will be chosen automatically. - * (This is recommended.) - * - * WARNING: The caller does not take ownership of the resulting |EC_KEY|, so - * |callback| must save and release the object elsewhere. */ -OPENSSL_EXPORT void SSL_set_tmp_ecdh_callback( - SSL *ssl, EC_KEY *(*callback)(SSL *ssl, int is_export, int keylength)); - -OPENSSL_EXPORT const void *SSL_get_current_compression(SSL *s); -OPENSSL_EXPORT const void *SSL_get_current_expansion(SSL *s); - -OPENSSL_EXPORT int SSL_cache_hit(SSL *s); -OPENSSL_EXPORT int SSL_is_server(SSL *s); - -/* SSL_CTX_set_dos_protection_cb sets a callback that is called once the - * resumption decision for a ClientHello has been made. It can return 1 to - * allow the handshake to continue or zero to cause the handshake to abort. */ -OPENSSL_EXPORT void SSL_CTX_set_dos_protection_cb( - SSL_CTX *ctx, int (*cb)(const struct ssl_early_callback_ctx *)); - -/* SSL_get_structure_sizes returns the sizes of the SSL, SSL_CTX and - * SSL_SESSION structures so that a test can ensure that outside code agrees on - * these values. */ -OPENSSL_EXPORT void SSL_get_structure_sizes(size_t *ssl_size, - size_t *ssl_ctx_size, - size_t *ssl_session_size); - -OPENSSL_EXPORT void ERR_load_SSL_strings(void); - -/* SSL_get_rc4_state sets |*read_key| and |*write_key| to the RC4 states for - * the read and write directions. It returns one on success or zero if |ssl| - * isn't using an RC4-based cipher suite. */ -OPENSSL_EXPORT int SSL_get_rc4_state(const SSL *ssl, const RC4_KEY **read_key, - const RC4_KEY **write_key); - - -/* Deprecated functions. */ - -/* SSL_CIPHER_description writes a description of |cipher| into |buf| and - * returns |buf|. If |buf| is NULL, it returns a newly allocated string, to be - * freed with |OPENSSL_free|, or NULL on error. - * - * The description includes a trailing newline and has the form: - * AES128-SHA SSLv3 Kx=RSA Au=RSA Enc=AES(128) Mac=SHA1 - * - * Consider |SSL_CIPHER_get_name| or |SSL_CIPHER_get_rfc_name| instead. */ -OPENSSL_EXPORT const char *SSL_CIPHER_description(const SSL_CIPHER *cipher, - char *buf, int len); - -/* SSL_CIPHER_get_version returns the string "TLSv1/SSLv3". */ -OPENSSL_EXPORT const char *SSL_CIPHER_get_version(const SSL_CIPHER *cipher); - -/* SSL_COMP_get_compression_methods returns NULL. */ -OPENSSL_EXPORT void *SSL_COMP_get_compression_methods(void); - -/* SSL_COMP_add_compression_method returns one. */ -OPENSSL_EXPORT int SSL_COMP_add_compression_method(int id, void *cm); - -/* SSL_COMP_get_name returns NULL. */ -OPENSSL_EXPORT const char *SSL_COMP_get_name(const void *comp); - -/* SSLv23_method calls |TLS_method|. */ -OPENSSL_EXPORT const SSL_METHOD *SSLv23_method(void); - -/* Version-specific methods behave exactly like |TLS_method| and |DTLS_method| - * except they also call |SSL_CTX_set_min_version| and |SSL_CTX_set_max_version| - * to lock connections to that protocol version. */ -OPENSSL_EXPORT const SSL_METHOD *SSLv3_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_1_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_2_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLSv1_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLSv1_2_method(void); - -/* Client- and server-specific methods call their corresponding generic - * methods. */ -OPENSSL_EXPORT const SSL_METHOD *SSLv23_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *SSLv23_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *SSLv3_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *SSLv3_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_1_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_1_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_2_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *TLSv1_2_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLS_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLS_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLSv1_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLSv1_client_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLSv1_2_server_method(void); -OPENSSL_EXPORT const SSL_METHOD *DTLSv1_2_client_method(void); - -/* SSL_clear resets |ssl| to allow another connection and returns one on success - * or zero on failure. It returns most configuration state but releases memory - * associated with the current connection. - * - * Free |ssl| and create a new one instead. */ -OPENSSL_EXPORT int SSL_clear(SSL *ssl); - -/* SSL_CTX_set_tmp_rsa_callback does nothing. */ -OPENSSL_EXPORT void SSL_CTX_set_tmp_rsa_callback( - SSL_CTX *ctx, RSA *(*cb)(SSL *ssl, int is_export, int keylength)); - -/* SSL_set_tmp_rsa_callback does nothing. */ -OPENSSL_EXPORT void SSL_set_tmp_rsa_callback(SSL *ssl, - RSA *(*cb)(SSL *ssl, int is_export, - int keylength)); - -/* SSL_CTX_sess_connect returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_connect(const SSL_CTX *ctx); - -/* SSL_CTX_sess_connect_good returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_connect_good(const SSL_CTX *ctx); - -/* SSL_CTX_sess_connect_renegotiate returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_connect_renegotiate(const SSL_CTX *ctx); - -/* SSL_CTX_sess_accept returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_accept(const SSL_CTX *ctx); - -/* SSL_CTX_sess_accept_renegotiate returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_accept_renegotiate(const SSL_CTX *ctx); - -/* SSL_CTX_sess_accept_good returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_accept_good(const SSL_CTX *ctx); - -/* SSL_CTX_sess_hits returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_hits(const SSL_CTX *ctx); - -/* SSL_CTX_sess_cb_hits returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_cb_hits(const SSL_CTX *ctx); - -/* SSL_CTX_sess_misses returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_misses(const SSL_CTX *ctx); - -/* SSL_CTX_sess_timeouts returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_timeouts(const SSL_CTX *ctx); - -/* SSL_CTX_sess_cache_full returns zero. */ -OPENSSL_EXPORT int SSL_CTX_sess_cache_full(const SSL_CTX *ctx); - -/* SSL_cutthrough_complete calls |SSL_in_false_start|. */ -OPENSSL_EXPORT int SSL_cutthrough_complete(const SSL *s); - -/* SSL_num_renegotiations calls |SSL_total_renegotiations|. */ -OPENSSL_EXPORT int SSL_num_renegotiations(const SSL *ssl); - -/* SSL_CTX_need_tmp_RSA returns zero. */ -OPENSSL_EXPORT int SSL_CTX_need_tmp_RSA(const SSL_CTX *ctx); - -/* SSL_need_tmp_RSA returns zero. */ -OPENSSL_EXPORT int SSL_need_tmp_RSA(const SSL *ssl); - -/* SSL_CTX_set_tmp_rsa returns one. */ -OPENSSL_EXPORT int SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, const RSA *rsa); - -/* SSL_set_tmp_rsa returns one. */ -OPENSSL_EXPORT int SSL_set_tmp_rsa(SSL *ssl, const RSA *rsa); - -/* SSL_CTX_get_read_head returns zero. */ -OPENSSL_EXPORT int SSL_CTX_get_read_ahead(const SSL_CTX *ctx); - -/* SSL_CTX_set_read_ahead does nothing. */ -OPENSSL_EXPORT void SSL_CTX_set_read_ahead(SSL_CTX *ctx, int yes); - -/* SSL_get_read_head returns zero. */ -OPENSSL_EXPORT int SSL_get_read_ahead(const SSL *s); - -/* SSL_set_read_ahead does nothing. */ -OPENSSL_EXPORT void SSL_set_read_ahead(SSL *s, int yes); - -/* SSL_renegotiate put an error on the error queue and returns zero. */ -OPENSSL_EXPORT int SSL_renegotiate(SSL *ssl); - -/* SSL_set_state does nothing. */ -OPENSSL_EXPORT void SSL_set_state(SSL *ssl, int state); - /* Android compatibility section. * @@ -2465,99 +3502,133 @@ OPENSSL_EXPORT const char *SSLeay_version(int unused); * * Historically, a number of APIs were implemented in OpenSSL as macros and * constants to 'ctrl' functions. To avoid breaking #ifdefs in consumers, this - * section defines a number of legacy macros. */ + * section defines a number of legacy macros. + * + * Although using either the CTRL values or their wrapper macros in #ifdefs is + * still supported, the CTRL values may not be passed to |SSL_ctrl| and + * |SSL_CTX_ctrl|. Call the functions (previously wrapper macros) instead. */ -#define SSL_CTRL_NEED_TMP_RSA doesnt_exist -#define SSL_CTRL_SET_TMP_RSA doesnt_exist -#define SSL_CTRL_SET_TMP_DH doesnt_exist -#define SSL_CTRL_SET_TMP_ECDH doesnt_exist -#define SSL_CTRL_SET_TMP_RSA_CB doesnt_exist -#define SSL_CTRL_SET_TMP_DH_CB doesnt_exist -#define SSL_CTRL_SET_TMP_ECDH_CB doesnt_exist -#define SSL_CTRL_GET_SESSION_REUSED doesnt_exist +#define DTLS_CTRL_GET_TIMEOUT doesnt_exist +#define DTLS_CTRL_HANDLE_TIMEOUT doesnt_exist +#define SSL_CTRL_CHAIN doesnt_exist +#define SSL_CTRL_CHAIN_CERT doesnt_exist +#define SSL_CTRL_CHANNEL_ID doesnt_exist +#define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS doesnt_exist +#define SSL_CTRL_CLEAR_MODE doesnt_exist +#define SSL_CTRL_CLEAR_OPTIONS doesnt_exist +#define SSL_CTRL_EXTRA_CHAIN_CERT doesnt_exist +#define SSL_CTRL_GET_CHAIN_CERTS doesnt_exist +#define SSL_CTRL_GET_CHANNEL_ID doesnt_exist +#define SSL_CTRL_GET_CLIENT_CERT_TYPES doesnt_exist +#define SSL_CTRL_GET_EXTRA_CHAIN_CERTS doesnt_exist +#define SSL_CTRL_GET_MAX_CERT_LIST doesnt_exist #define SSL_CTRL_GET_NUM_RENEGOTIATIONS doesnt_exist +#define SSL_CTRL_GET_READ_AHEAD doesnt_exist +#define SSL_CTRL_GET_RI_SUPPORT doesnt_exist +#define SSL_CTRL_GET_SESSION_REUSED doesnt_exist +#define SSL_CTRL_GET_SESS_CACHE_MODE doesnt_exist +#define SSL_CTRL_GET_SESS_CACHE_SIZE doesnt_exist +#define SSL_CTRL_GET_TLSEXT_TICKET_KEYS doesnt_exist #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS doesnt_exist +#define SSL_CTRL_MODE doesnt_exist +#define SSL_CTRL_NEED_TMP_RSA doesnt_exist +#define SSL_CTRL_OPTIONS doesnt_exist +#define SSL_CTRL_SESS_NUMBER doesnt_exist +#define SSL_CTRL_SET_CHANNEL_ID doesnt_exist +#define SSL_CTRL_SET_CURVES doesnt_exist +#define SSL_CTRL_SET_MAX_CERT_LIST doesnt_exist +#define SSL_CTRL_SET_MAX_SEND_FRAGMENT doesnt_exist #define SSL_CTRL_SET_MSG_CALLBACK doesnt_exist #define SSL_CTRL_SET_MSG_CALLBACK_ARG doesnt_exist #define SSL_CTRL_SET_MTU doesnt_exist -#define SSL_CTRL_SESS_NUMBER doesnt_exist -#define SSL_CTRL_OPTIONS doesnt_exist -#define SSL_CTRL_MODE doesnt_exist -#define SSL_CTRL_GET_READ_AHEAD doesnt_exist #define SSL_CTRL_SET_READ_AHEAD doesnt_exist -#define SSL_CTRL_SET_SESS_CACHE_SIZE doesnt_exist -#define SSL_CTRL_GET_SESS_CACHE_SIZE doesnt_exist #define SSL_CTRL_SET_SESS_CACHE_MODE doesnt_exist -#define SSL_CTRL_GET_SESS_CACHE_MODE doesnt_exist -#define SSL_CTRL_GET_MAX_CERT_LIST doesnt_exist -#define SSL_CTRL_SET_MAX_CERT_LIST doesnt_exist -#define SSL_CTRL_SET_MAX_SEND_FRAGMENT doesnt_exist -#define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB doesnt_exist -#define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG doesnt_exist +#define SSL_CTRL_SET_SESS_CACHE_SIZE doesnt_exist #define SSL_CTRL_SET_TLSEXT_HOSTNAME doesnt_exist +#define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG doesnt_exist +#define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB doesnt_exist +#define SSL_CTRL_SET_TLSEXT_TICKET_KEYS doesnt_exist #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB doesnt_exist -#define DTLS_CTRL_GET_TIMEOUT doesnt_exist -#define DTLS_CTRL_HANDLE_TIMEOUT doesnt_exist -#define SSL_CTRL_GET_RI_SUPPORT doesnt_exist -#define SSL_CTRL_CLEAR_OPTIONS doesnt_exist -#define SSL_CTRL_CLEAR_MODE doesnt_exist -#define SSL_CTRL_CHANNEL_ID doesnt_exist -#define SSL_CTRL_GET_CHANNEL_ID doesnt_exist -#define SSL_CTRL_SET_CHANNEL_ID doesnt_exist +#define SSL_CTRL_SET_TMP_DH doesnt_exist +#define SSL_CTRL_SET_TMP_DH_CB doesnt_exist +#define SSL_CTRL_SET_TMP_ECDH doesnt_exist +#define SSL_CTRL_SET_TMP_ECDH_CB doesnt_exist +#define SSL_CTRL_SET_TMP_RSA doesnt_exist +#define SSL_CTRL_SET_TMP_RSA_CB doesnt_exist -#define SSL_CTX_need_tmp_RSA SSL_CTX_need_tmp_RSA -#define SSL_need_tmp_RSA SSL_need_tmp_RSA -#define SSL_CTX_set_tmp_rsa SSL_CTX_set_tmp_rsa -#define SSL_set_tmp_rsa SSL_set_tmp_rsa -#define SSL_CTX_set_tmp_dh SSL_CTX_set_tmp_dh -#define SSL_set_tmp_dh SSL_set_tmp_dh -#define SSL_CTX_set_tmp_ecdh SSL_CTX_set_tmp_ecdh -#define SSL_set_tmp_ecdh SSL_set_tmp_ecdh -#define SSL_session_reused SSL_session_reused -#define SSL_num_renegotiations SSL_num_renegotiations -#define SSL_total_renegotiations SSL_total_renegotiations -#define SSL_CTX_set_msg_callback_arg SSL_CTX_set_msg_callback_arg -#define SSL_set_msg_callback_arg SSL_set_msg_callback_arg -#define SSL_set_mtu SSL_set_mtu -#define SSL_CTX_sess_number SSL_CTX_sess_number -#define SSL_CTX_get_options SSL_CTX_get_options -#define SSL_CTX_set_options SSL_CTX_set_options -#define SSL_get_options SSL_get_options -#define SSL_set_options SSL_set_options +#define DTLSv1_get_timeout DTLSv1_get_timeout +#define DTLSv1_handle_timeout DTLSv1_handle_timeout +#define SSL_CTX_add0_chain_cert SSL_CTX_add0_chain_cert +#define SSL_CTX_add1_chain_cert SSL_CTX_add1_chain_cert +#define SSL_CTX_add_extra_chain_cert SSL_CTX_add_extra_chain_cert +#define SSL_CTX_clear_extra_chain_certs SSL_CTX_clear_extra_chain_certs +#define SSL_CTX_clear_chain_certs SSL_CTX_clear_chain_certs +#define SSL_CTX_clear_mode SSL_CTX_clear_mode +#define SSL_CTX_clear_options SSL_CTX_clear_options +#define SSL_CTX_enable_tls_channel_id SSL_CTX_enable_tls_channel_id +#define SSL_CTX_get0_chain_certs SSL_CTX_get0_chain_certs +#define SSL_CTX_get_extra_chain_certs SSL_CTX_get_extra_chain_certs +#define SSL_CTX_get_max_cert_list SSL_CTX_get_max_cert_list #define SSL_CTX_get_mode SSL_CTX_get_mode -#define SSL_CTX_set_mode SSL_CTX_set_mode -#define SSL_get_mode SSL_get_mode -#define SSL_set_mode SSL_set_mode +#define SSL_CTX_get_options SSL_CTX_get_options #define SSL_CTX_get_read_ahead SSL_CTX_get_read_ahead -#define SSL_CTX_set_read_ahead SSL_CTX_set_read_ahead -#define SSL_CTX_sess_set_cache_size SSL_CTX_sess_set_cache_size -#define SSL_CTX_sess_get_cache_size SSL_CTX_sess_get_cache_size -#define SSL_CTX_set_session_cache_mode SSL_CTX_set_session_cache_mode #define SSL_CTX_get_session_cache_mode SSL_CTX_get_session_cache_mode -#define SSL_CTX_get_max_cert_list SSL_CTX_get_max_cert_list -#define SSL_get_max_cert_list SSL_get_max_cert_list +#define SSL_CTX_get_tlsext_ticket_keys SSL_CTX_get_tlsext_ticket_keys +#define SSL_CTX_need_tmp_RSA SSL_CTX_need_tmp_RSA +#define SSL_CTX_sess_get_cache_size SSL_CTX_sess_get_cache_size +#define SSL_CTX_sess_number SSL_CTX_sess_number +#define SSL_CTX_sess_set_cache_size SSL_CTX_sess_set_cache_size +#define SSL_CTX_set0_chain SSL_CTX_set0_chain +#define SSL_CTX_set1_chain SSL_CTX_set1_chain +#define SSL_CTX_set1_curves SSL_CTX_set1_curves +#define SSL_CTX_set1_tls_channel_id SSL_CTX_set1_tls_channel_id #define SSL_CTX_set_max_cert_list SSL_CTX_set_max_cert_list -#define SSL_set_max_cert_list SSL_set_max_cert_list #define SSL_CTX_set_max_send_fragment SSL_CTX_set_max_send_fragment -#define SSL_set_max_send_fragment SSL_set_max_send_fragment +#define SSL_CTX_set_mode SSL_CTX_set_mode +#define SSL_CTX_set_msg_callback_arg SSL_CTX_set_msg_callback_arg +#define SSL_CTX_set_options SSL_CTX_set_options +#define SSL_CTX_set_read_ahead SSL_CTX_set_read_ahead +#define SSL_CTX_set_session_cache_mode SSL_CTX_set_session_cache_mode +#define SSL_CTX_set_tlsext_servername_arg SSL_CTX_set_tlsext_servername_arg #define SSL_CTX_set_tlsext_servername_callback \ SSL_CTX_set_tlsext_servername_callback -#define SSL_CTX_set_tlsext_servername_arg SSL_CTX_set_tlsext_servername_arg -#define SSL_set_tlsext_host_name SSL_set_tlsext_host_name #define SSL_CTX_set_tlsext_ticket_key_cb SSL_CTX_set_tlsext_ticket_key_cb -#define DTLSv1_get_timeout DTLSv1_get_timeout -#define DTLSv1_handle_timeout DTLSv1_handle_timeout -#define SSL_get_secure_renegotiation_support \ - SSL_get_secure_renegotiation_support -#define SSL_CTX_clear_options SSL_CTX_clear_options -#define SSL_clear_options SSL_clear_options -#define SSL_CTX_clear_mode SSL_CTX_clear_mode +#define SSL_CTX_set_tlsext_ticket_keys SSL_CTX_set_tlsext_ticket_keys +#define SSL_CTX_set_tmp_dh SSL_CTX_set_tmp_dh +#define SSL_CTX_set_tmp_ecdh SSL_CTX_set_tmp_ecdh +#define SSL_CTX_set_tmp_rsa SSL_CTX_set_tmp_rsa +#define SSL_add0_chain_cert SSL_add0_chain_cert +#define SSL_add1_chain_cert SSL_add1_chain_cert +#define SSL_clear_chain_certs SSL_clear_chain_certs #define SSL_clear_mode SSL_clear_mode -#define SSL_CTX_enable_tls_channel_id SSL_CTX_enable_tls_channel_id +#define SSL_clear_options SSL_clear_options #define SSL_enable_tls_channel_id SSL_enable_tls_channel_id -#define SSL_set1_tls_channel_id SSL_set1_tls_channel_id -#define SSL_CTX_set1_tls_channel_id SSL_CTX_set1_tls_channel_id +#define SSL_get0_certificate_types SSL_get0_certificate_types +#define SSL_get0_chain_certs SSL_get0_chain_certs +#define SSL_get_max_cert_list SSL_get_max_cert_list +#define SSL_get_mode SSL_get_mode +#define SSL_get_options SSL_get_options +#define SSL_get_secure_renegotiation_support \ + SSL_get_secure_renegotiation_support #define SSL_get_tls_channel_id SSL_get_tls_channel_id +#define SSL_need_tmp_RSA SSL_need_tmp_RSA +#define SSL_num_renegotiations SSL_num_renegotiations +#define SSL_session_reused SSL_session_reused +#define SSL_set0_chain SSL_set0_chain +#define SSL_set1_chain SSL_set1_chain +#define SSL_set1_curves SSL_set1_curves +#define SSL_set1_tls_channel_id SSL_set1_tls_channel_id +#define SSL_set_max_cert_list SSL_set_max_cert_list +#define SSL_set_max_send_fragment SSL_set_max_send_fragment +#define SSL_set_mode SSL_set_mode +#define SSL_set_msg_callback_arg SSL_set_msg_callback_arg +#define SSL_set_mtu SSL_set_mtu +#define SSL_set_options SSL_set_options +#define SSL_set_tlsext_host_name SSL_set_tlsext_host_name +#define SSL_set_tmp_dh SSL_set_tmp_dh +#define SSL_set_tmp_ecdh SSL_set_tmp_ecdh +#define SSL_set_tmp_rsa SSL_set_tmp_rsa +#define SSL_total_renegotiations SSL_total_renegotiations #if defined(__cplusplus) @@ -2572,196 +3643,14 @@ OPENSSL_EXPORT const char *SSLeay_version(int unused); * headers introduces circular dependencies and is inconsistent. The function * declarations should move to ssl.h. Many of the constants can probably be * pruned or unexported. */ -#include <openssl/ssl2.h> #include <openssl/ssl3.h> #include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */ -#include <openssl/ssl23.h> -#include <openssl/srtp.h> /* Support for the use_srtp extension */ /* BEGIN ERROR CODES */ /* The following lines are auto generated by the script make_errors.go. Any * changes made after this point may be overwritten when the script is next run. */ -#define SSL_F_SSL_CTX_check_private_key 100 -#define SSL_F_SSL_CTX_new 101 -#define SSL_F_SSL_CTX_set_cipher_list 102 -#define SSL_F_SSL_CTX_set_cipher_list_tls11 103 -#define SSL_F_SSL_CTX_set_session_id_context 104 -#define SSL_F_SSL_CTX_use_PrivateKey 105 -#define SSL_F_SSL_CTX_use_PrivateKey_ASN1 106 -#define SSL_F_SSL_CTX_use_PrivateKey_file 107 -#define SSL_F_SSL_CTX_use_RSAPrivateKey 108 -#define SSL_F_SSL_CTX_use_RSAPrivateKey_ASN1 109 -#define SSL_F_SSL_CTX_use_RSAPrivateKey_file 110 -#define SSL_F_SSL_CTX_use_certificate 111 -#define SSL_F_SSL_CTX_use_certificate_ASN1 112 -#define SSL_F_SSL_CTX_use_certificate_chain_file 113 -#define SSL_F_SSL_CTX_use_certificate_file 114 -#define SSL_F_SSL_CTX_use_psk_identity_hint 115 -#define SSL_F_SSL_SESSION_new 116 -#define SSL_F_SSL_SESSION_print_fp 117 -#define SSL_F_SSL_SESSION_set1_id_context 118 -#define SSL_F_SSL_SESSION_to_bytes_full 119 -#define SSL_F_SSL_accept 120 -#define SSL_F_SSL_add_dir_cert_subjects_to_stack 121 -#define SSL_F_SSL_add_file_cert_subjects_to_stack 122 -#define SSL_F_SSL_check_private_key 123 -#define SSL_F_SSL_clear 124 -#define SSL_F_SSL_connect 125 -#define SSL_F_SSL_do_handshake 126 -#define SSL_F_SSL_load_client_CA_file 127 -#define SSL_F_SSL_new 128 -#define SSL_F_SSL_peek 129 -#define SSL_F_SSL_read 130 -#define SSL_F_SSL_renegotiate 131 -#define SSL_F_SSL_set_cipher_list 132 -#define SSL_F_SSL_set_fd 133 -#define SSL_F_SSL_set_rfd 134 -#define SSL_F_SSL_set_session_id_context 135 -#define SSL_F_SSL_set_wfd 136 -#define SSL_F_SSL_shutdown 137 -#define SSL_F_SSL_use_PrivateKey 138 -#define SSL_F_SSL_use_PrivateKey_ASN1 139 -#define SSL_F_SSL_use_PrivateKey_file 140 -#define SSL_F_SSL_use_RSAPrivateKey 141 -#define SSL_F_SSL_use_RSAPrivateKey_ASN1 142 -#define SSL_F_SSL_use_RSAPrivateKey_file 143 -#define SSL_F_SSL_use_certificate 144 -#define SSL_F_SSL_use_certificate_ASN1 145 -#define SSL_F_SSL_use_certificate_file 146 -#define SSL_F_SSL_use_psk_identity_hint 147 -#define SSL_F_SSL_write 148 -#define SSL_F_d2i_SSL_SESSION 149 -#define SSL_F_SSL_SESSION_parse_octet_string 150 -#define SSL_F_SSL_SESSION_parse_string 151 -#define SSL_F_do_ssl3_write 152 -#define SSL_F_dtls1_accept 153 -#define SSL_F_dtls1_buffer_record 154 -#define SSL_F_dtls1_check_timeout_num 155 -#define SSL_F_dtls1_connect 156 -#define SSL_F_dtls1_do_write 157 -#define SSL_F_dtls1_get_hello_verify 158 -#define SSL_F_dtls1_get_message 159 -#define SSL_F_dtls1_get_message_fragment 160 -#define SSL_F_dtls1_preprocess_fragment 161 -#define SSL_F_dtls1_process_record 162 -#define SSL_F_dtls1_read_bytes 163 -#define SSL_F_dtls1_send_hello_verify_request 164 -#define SSL_F_dtls1_write_app_data 165 -#define SSL_F_i2d_SSL_SESSION 166 -#define SSL_F_ssl3_accept 167 -#define SSL_F_ssl3_cert_verify_hash 169 -#define SSL_F_ssl3_check_cert_and_algorithm 170 -#define SSL_F_ssl3_connect 171 -#define SSL_F_ssl3_ctrl 172 -#define SSL_F_ssl3_ctx_ctrl 173 -#define SSL_F_ssl3_digest_cached_records 174 -#define SSL_F_ssl3_do_change_cipher_spec 175 -#define SSL_F_ssl3_expect_change_cipher_spec 176 -#define SSL_F_ssl3_get_cert_status 177 -#define SSL_F_ssl3_get_cert_verify 178 -#define SSL_F_ssl3_get_certificate_request 179 -#define SSL_F_ssl3_get_channel_id 180 -#define SSL_F_ssl3_get_client_certificate 181 -#define SSL_F_ssl3_get_client_hello 182 -#define SSL_F_ssl3_get_client_key_exchange 183 -#define SSL_F_ssl3_get_finished 184 -#define SSL_F_ssl3_get_initial_bytes 185 -#define SSL_F_ssl3_get_message 186 -#define SSL_F_ssl3_get_new_session_ticket 187 -#define SSL_F_ssl3_get_next_proto 188 -#define SSL_F_ssl3_get_record 189 -#define SSL_F_ssl3_get_server_certificate 190 -#define SSL_F_ssl3_get_server_done 191 -#define SSL_F_ssl3_get_server_hello 192 -#define SSL_F_ssl3_get_server_key_exchange 193 -#define SSL_F_ssl3_get_v2_client_hello 194 -#define SSL_F_ssl3_handshake_mac 195 -#define SSL_F_ssl3_prf 196 -#define SSL_F_ssl3_read_bytes 197 -#define SSL_F_ssl3_read_n 198 -#define SSL_F_ssl3_send_cert_verify 199 -#define SSL_F_ssl3_send_certificate_request 200 -#define SSL_F_ssl3_send_channel_id 201 -#define SSL_F_ssl3_send_client_certificate 202 -#define SSL_F_ssl3_send_client_hello 203 -#define SSL_F_ssl3_send_client_key_exchange 204 -#define SSL_F_ssl3_send_server_certificate 205 -#define SSL_F_ssl3_send_server_hello 206 -#define SSL_F_ssl3_send_server_key_exchange 207 -#define SSL_F_ssl3_setup_read_buffer 208 -#define SSL_F_ssl3_setup_write_buffer 209 -#define SSL_F_ssl3_write_bytes 210 -#define SSL_F_ssl3_write_pending 211 -#define SSL_F_ssl_add_cert_chain 212 -#define SSL_F_ssl_add_cert_to_buf 213 -#define SSL_F_ssl_add_clienthello_renegotiate_ext 214 -#define SSL_F_ssl_add_clienthello_tlsext 215 -#define SSL_F_ssl_add_clienthello_use_srtp_ext 216 -#define SSL_F_ssl_add_serverhello_renegotiate_ext 217 -#define SSL_F_ssl_add_serverhello_tlsext 218 -#define SSL_F_ssl_add_serverhello_use_srtp_ext 219 -#define SSL_F_ssl_build_cert_chain 220 -#define SSL_F_ssl_bytes_to_cipher_list 221 -#define SSL_F_ssl_cert_dup 222 -#define SSL_F_ssl_cert_inst 223 -#define SSL_F_ssl_cert_new 224 -#define SSL_F_ssl_check_serverhello_tlsext 225 -#define SSL_F_ssl_check_srvr_ecc_cert_and_alg 226 -#define SSL_F_ssl_cipher_process_rulestr 227 -#define SSL_F_ssl_cipher_strength_sort 228 -#define SSL_F_ssl_create_cipher_list 229 -#define SSL_F_ssl_ctx_log_master_secret 230 -#define SSL_F_ssl_ctx_log_rsa_client_key_exchange 231 -#define SSL_F_ssl_ctx_make_profiles 232 -#define SSL_F_ssl_get_new_session 233 -#define SSL_F_ssl_get_prev_session 234 -#define SSL_F_ssl_get_server_cert_index 235 -#define SSL_F_ssl_get_sign_pkey 236 -#define SSL_F_ssl_init_wbio_buffer 237 -#define SSL_F_ssl_parse_clienthello_renegotiate_ext 238 -#define SSL_F_ssl_parse_clienthello_tlsext 239 -#define SSL_F_ssl_parse_clienthello_use_srtp_ext 240 -#define SSL_F_ssl_parse_serverhello_renegotiate_ext 241 -#define SSL_F_ssl_parse_serverhello_tlsext 242 -#define SSL_F_ssl_parse_serverhello_use_srtp_ext 243 -#define SSL_F_ssl_scan_clienthello_tlsext 244 -#define SSL_F_ssl_scan_serverhello_tlsext 245 -#define SSL_F_ssl_sess_cert_new 246 -#define SSL_F_ssl_set_cert 247 -#define SSL_F_ssl_set_pkey 248 -#define SSL_F_ssl_verify_cert_chain 252 -#define SSL_F_tls12_check_peer_sigalg 253 -#define SSL_F_tls1_aead_ctx_init 254 -#define SSL_F_tls1_cert_verify_mac 255 -#define SSL_F_tls1_change_cipher_state 256 -#define SSL_F_tls1_change_cipher_state_aead 257 -#define SSL_F_tls1_check_duplicate_extensions 258 -#define SSL_F_tls1_enc 259 -#define SSL_F_tls1_export_keying_material 260 -#define SSL_F_tls1_prf 261 -#define SSL_F_tls1_setup_key_block 262 -#define SSL_F_dtls1_get_buffered_message 263 -#define SSL_F_dtls1_process_fragment 264 -#define SSL_F_dtls1_hm_fragment_new 265 -#define SSL_F_ssl3_seal_record 266 -#define SSL_F_ssl3_record_sequence_update 267 -#define SSL_F_SSL_CTX_set_tmp_dh 268 -#define SSL_F_SSL_CTX_set_tmp_ecdh 269 -#define SSL_F_SSL_set_tmp_dh 270 -#define SSL_F_SSL_set_tmp_ecdh 271 -#define SSL_F_SSL_CTX_set1_tls_channel_id 272 -#define SSL_F_SSL_set1_tls_channel_id 273 -#define SSL_F_SSL_set_tlsext_host_name 274 -#define SSL_F_ssl3_output_cert_chain 275 -#define SSL_F_SSL_AEAD_CTX_new 276 -#define SSL_F_SSL_AEAD_CTX_open 277 -#define SSL_F_SSL_AEAD_CTX_seal 278 -#define SSL_F_dtls1_seal_record 279 -#define SSL_F_SSL_SESSION_from_bytes 280 -#define SSL_F_SSL_SESSION_parse 281 -#define SSL_F_ssl3_check_certificate_for_cipher 282 #define SSL_R_APP_DATA_IN_HANDSHAKE 100 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 101 #define SSL_R_BAD_ALERT 102 @@ -2940,6 +3829,15 @@ OPENSSL_EXPORT const char *SSLeay_version(int unused); #define SSL_R_RESUMED_EMS_SESSION_WITHOUT_EMS_EXTENSION 275 #define SSL_R_EMS_STATE_INCONSISTENT 276 #define SSL_R_RESUMED_NON_EMS_SESSION_WITH_EMS_EXTENSION 277 +#define SSL_R_TOO_MANY_WARNING_ALERTS 278 +#define SSL_R_UNEXPECTED_EXTENSION 279 +#define SSL_R_SIGNATURE_ALGORITHMS_EXTENSION_SENT_BY_SERVER 280 +#define SSL_R_ERROR_ADDING_EXTENSION 281 +#define SSL_R_ERROR_PARSING_EXTENSION 282 +#define SSL_R_MISSING_EXTENSION 283 +#define SSL_R_CUSTOM_EXTENSION_CONTENTS_TOO_LARGE 284 +#define SSL_R_CUSTOM_EXTENSION_ERROR 285 +#define SSL_R_NEGOTIATED_BOTH_NPN_AND_ALPN 286 #define SSL_R_SSLV3_ALERT_CLOSE_NOTIFY 1000 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE 1010 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC 1020 |